Gauges for checking metric threads

  • THREAD
  • GAUGES
  • Nominal sizes
  • Nominal sizes
  • Tolerances
  • Tolerances
M10 - 6g
metric thread, external
Metric screw thread - nominal sizes
Name Symbol Value
Height H 1,299038 mm
Distance H/2 0,649519 mm
5/8 H 0,811899 mm
3/8 H 0,487139 mm
H/4 0,324760 mm
H/6 0,216506 mm 2)
H/8 0,162380 mm
According to ISO 68-1:1998
Name Symbol Value Unit Remarks
Nominal diameter 10 [mm] first choice
Pitch P 1,5 [mm] coarse
Lead Ph 1,5 [mm]
Number of starts 1 [-]
Thread angle α 60 [°]
Basic major diameter d 10 [mm] 9,732 ÷ 9,968
Basic pitch diameter d2 9,026 [mm] 8,862 ÷ 8,994
Basic minor diameter d1 8,376 [mm] — 1) ÷ 8,344
Minor diameter of external thread d3 8,160 [mm] 7,938 ÷ 8,128
Root radius R 0,217 2) [mm]
Height of thread h3 0,920 2) [mm]
Crest truncation P/8 0,188 [mm]
Truncation P/4 0,375 [mm]
Half-pitch P/2 0,750 [mm]
According to ISO 68-1:1998, ISO 261:1998, ISO 724:1993
1) Without tolerancing.
2) According to DIN 13-19:1999-11
The figure illustrating external threads with tolerance positions 'e', 'f' or 'g'
OTHER
Minor diameter of external thread
Basic d3 8,160 mm
Minimum d3 min 7,938 mm
Maximum d3 max 8,128 mm
Upper deviation (fundamental) es -32 μm
Deviation for stress calculation esnap -249 μm
The minimum truncation Cmin 0,188 mm
Minimum root radii Rmin 0,188 mm 2)
According to ISO 965−1:1998, ISO 965−3:1998
BASIC DIMENSIONS
Basic major diameter
Basic d 10 mm
Minimum dmin 9,732 mm
Maximum dmax 9,968 mm
Tolerance Td 236 μm
Upper deviation (fundamental) es -32 μm
Lower deviation ei -268 μm
Basic pitch diameter
Basic d2 9,026 mm
Minimum d2 min 8,862 mm
Maximum d2 max 8,994 mm
Tolerance Td2 132 μm
Upper deviation (fundamental) es -32 μm
Lower deviation ei -164 μm
Basic minor diameter
Basic d1 8,376 mm
Minimum — — 1)
Maximum d1 max 8,344 mm
Tolerance — — 1)
Upper deviation (fundamental) es -32 μm
Lower deviation — — 1)
According to ISO 965−1:1998, ISO 965−3:1998
1) Without tolerancing.
2) According to ISO 965−1:1998 standard recommendation the root profile shall have a nonreversing curvature, no portion of which shall have a radius of less than 0.125 × P.
  • THREAD
  • GAUGES
  • Limits of sizes
  • Limits of sizes
  • Tolerances and permissible wear
  • Tolerances and permissible wear
M10 - 6g
metric thread, external
Sizes in millimetres
Name Major
diameter		 Pitch
diameter		 Minor
diameter		 Remarks
GO
Button 'more' Button 'less' SOLID SCREW RING 10,087 8,9861) ± 0,0091) 8,344 ± 0,009
GO check plug 9,968 ± 0,011 8,968 ± 0,0045 8,1015
NOT GO check plug 9,295 ± 0,0055 8,995 ± 0,0045 8,1185
Wear check plug 9,307 ± 0,0055 9,007 ± 0,0045 8,1185
Button 'more' Button 'less' ADJUSTABLE SCREW RING 10,087 — 3) 8,344 ± 0,009
Setting plug (complete) 9,968 ± 0,011 8,9815 ± 0,0045 8,1185
Setting plug (truncated) 9,2815 ± 0,0055 8,9815 ± 0,0045 8,1185
Wear check plug 9,307 ± 0,0055 9,007 ± 0,0045 8,1185
Button 'more' Button 'less' SCREW CALLIPER — 4) — 4) — 4)
Setting plug 9,968 ± 0,011 8,968 ± 0,0045 8,1015
Button 'more' Button 'less' PLAIN CALLIPER A size corresponding to the basic diameter:   9,930 ± 0,008
GO check plug Basic diameter:   9,930 ± 0,002
PLAIN RING Basic diameter:   9,930 ± 0,008
NOT GO
Button 'more' Button 'less' SOLID SCREW RING 9,979 8,8531) ± 0,0091) 8,553 ± 0,018
GO check plug 9,968 ± 0,011 8,835 ± 0,0045 7,9685
NOT GO check plug 9,836 ± 0,011 8,862 ± 0,0045 7,9955
Wear check plug 9,842 ± 0,011 8,868 ± 0,0045 7,9955
Button 'more' Button 'less' ADJUSTABLE SCREW RING 9,979 — 3) 8,553 ± 0,018
Setting plug (complete) 9,827 ± 0,011 8,8485 ± 0,0045 7,9955
Setting plug (truncated) 9,1485 ± 0,011 8,8485 ± 0,0045 7,9955
Wear check plug 9,842 ± 0,011 8,868 ± 0,0045 7,9955
Button 'more' Button 'less' SCREW CALLIPER — 4) — 4) — 4)
Setting plug 9,836 ± 0,011 8,8485 ± 0,0045 7,964
Button 'more' Button 'less' PLAIN CALLIPER A size corresponding to the basic diameter:   9,732 ± 0,008
NOT GO check plug Basic diameter:   9,732 ± 0,002
PLAIN RING Basic diameter:   9,732 ± 0,008
According to ISO 1502:1996
1) These sizes are valid if the solid screw ring gauges are not produced accordint to the GO and NOT GO check plugs but are measured; this shall be agreed upon between the manufacturer and purchaser.
3) Size and deviation are not specified as the gauge is set on its setting plug.
4) Screw calliper gauges are always adjustable that is why their sizes are not standardized. Circular runout radial tolerance for circular shaped anvils is 5 μm.
The image of tolerance zones for the pitch diameter of gauges for external threads The image of tolerance zones for plain gauges for major diameter of external threads
Name Symbol Value
Tolerance of screw ring gauge TR 18 μm
Toleracne of screw plug gauge TPL 11 μm
Tolerance of check plugs, wear plugs and setting plugs TCP 9 μm
Distance m 18 μm
Distance ZR 8 μm
Wear of GO screw ring gauges WGO 21 μm
Wear of NOT GO screw ring gauges WNG 15 μm
Half-tolerance H2/2 8 μm
Half-tolerance HP/2 2 μm
Distance Z2 38 μm
Half-tolerance Tα1/2 12′
Half-tolerance Tα2/2 16′
According to ISO 1502:1996
Back to gauges list
SOLID GO SCREW RING GAUGE |M1|
Clearing diameter 10,087 [mm]
Basic pitch diameter 8,9861) ± 0,0091) [mm] 8,977 ÷ 8,995
Basic minor diameter 8,344 ± 0,009 [mm] 8,335 ÷ 8,353
Wear limit of gauge 9,007 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
1) These sizes are valid if the solid screw ring gauges are not produced accordint to the GO and NOT GO check plugs but are measured; this shall be agreed upon between the manufacturer and purchaser.
a) With a clearance groove of maximum b1max = 0,19 mm or with a radius of maximum r1max = 0,108 mm. The form of the clearance groove is left to the discretion of the manufacturer.
GO SCREW CHECK PLUG FOR NEW SOLID GO SCREW RING GAUGE |M2|
Basic major diameter 9,968 ± 0,0112) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,968 ± 0,0045 [mm] 8,9635 ÷ 8,9725
Clearing diameter 8,1015 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
NOT GO SCREW CHECK PLUG FOR NEW SOLID GO SCREW RING GAUGE |M3|
Basic major diameter 9,295 ± 0,0055 [mm] 9,2895 ÷ 9,3005
Basic pitch diameter 8,995 ± 0,0045 [mm] 8,9905 ÷ 8,9995
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
WEAR CHECK PLUG FOR SOLID OR ADJUSTABLE GO SCREW RING GAUGE |M6|
Basic major diameter 9,307 ± 0,0055 [mm] 9,3015 ÷ 9,3125
Basic pitch diameter 9,007 ± 0,0045 [mm] 9,0025 ÷ 9,0115
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
ADJUSTABLE GO SCREW RING GAUGE |M4|
Clearing diameter 10,087 [mm]
Basic pitch diameter — 3) [mm]
Basic minor diameter 8,344 ± 0,009 [mm] 8,335 ÷ 8,353
Wear limit of gauge 9,007 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
3) Size and deviation are not specified as the gauge is set on its setting plug.
a) With a clearance groove of maximum b1max = 0,19 mm or with a radius of maximum r1max = 0,108 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR ADJUSTABLE GO SCREW RING GAUGE (profile with complete flanks) |M5a|
Basic major diameter 9,968 ± 0,0112) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,9815 ± 0,0045 [mm] 8,977 ÷ 8,986
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR ADJUSTABLE GO SCREW RING GAUGE (profile with truncated flanks) |M5b|
Basic major diameter 9,2815 ± 0,0055 [mm] 9,276 ÷ 9,287
Basic pitch diameter 8,9815 ± 0,0045 [mm] 8,977 ÷ 8,986
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
GO SCREW CALLIPER GAUGE |M7|
A size corresponding to the clearing diameter — 4) 6) [mm]
A size corresponding to the pitch diameter — 4) 6) [mm]
A size corresponding to the minor diameter — 4) 6) [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
4) ATTENTION - Screw calliper gauges are always adjustable that is why their sizes are not standardized. Circular runout radial tolerance for circular shaped anvils is 5 μm.
6) On gauging members of the GO screw calliper gauges, the distance between the pitch diameter line and the crest line is 0,325 mm. The root of this profile is equal to that of the GO screw ring gauge.
a) With a clearance groove of maximum b1max = 0,19 mm or with a radius of maximum r1max = 0,108 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR GO SCREW CALLIPER GAUGE |M8|
Basic major diameter 9,968 ± 0,011 2) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,968 ± 0,0045 [mm] 8,9635 ÷ 8,9725
Clearing diameter 8,1015 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
PLAIN GO CALLIPER GAUGE |M17|
A size corresponding to the basic diameter 9,930 ± 0,008 [mm] 9,922 ÷ 9,938
Wear limit of gauge 9,968 7) [mm]
7) Wear limit for GO gauges is the upper limit of the workpiece diameter.
GO CHECK PLUG FOR NEW PLAIN GO CALLIPER GAUGE |M23|
Basic diameter 9,930 ± 0,002 [mm] 9,928 ÷ 9,932
PLAIN GO RING GAUGE |M17|
Basic diameter 9,930 ± 0,008 [mm] 9,922 ÷ 9,938
Wear limit of gauge 9,968 7) [mm]
7) Wear limit for GO gauges is the upper limit of the workpiece diameter.
SOLID NOT GO SCREW RING GAUGE |M11|
Clearing diameter 9,979 [mm]
Basic pitch diameter 8,8531) ± 0,0091) [mm] 8,844 ÷ 8,862
Basic minor diameter 8,553 ± 0,018 [mm] 8,535 ÷ 8,571
Wear limit of gauge 8,868 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
1) These sizes are valid if the solid screw ring gauges are not produced accordint to the GO and NOT GO check plugs but are measured; this shall be agreed upon between the manufacturer and purchaser.
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
GO SCREW CHECK PLUG FOR NEW SOLID NOT GO SCREW RING GAUGE |M12|
Basic major diameter 9,968 ± 0,011 2) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,835 ± 0,0045 [mm] 8,8305 ÷ 8,8395
Clearing diameter 7,9685 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
NOT GO SCREW CHECK PLUG FOR NEW SOLID NOT GO SCREW RING GAUGE |M13|
Basic major diameter 9,836 ± 0,011 [mm] 9,825 ÷ 9,847
Basic pitch diameter 8,862 ± 0,0045 [mm] 8,8575 ÷ 8,8665
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
WEAR CHECK PLUG FOR SOLID OR ADJUSTABLE NOT GO SCREW RING GAUGE |M16|
Basic major diameter 9,842 ± 0,011 [mm] 9,831 ÷ 9,853
Basic pitch diameter 8,868 ± 0,0045 [mm] 8,8635 ÷ 8,8725
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
ADJUSTABLE NOT GO SCREW RING GAUGE |M14|
Clearing diameter 9,979 [mm]
Basic pitch diameter — 3) [mm]
Basic minor diameter 8,553 ± 0,018 [mm] 8,535 ÷ 8,571
Wear limit of gauge 8,868 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
3) Size and deviation are not specified as the gauge is set on its setting plug.
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
SETTING PLUG FOR ADJUSTABLE NOT GO SCREW RING GAUGE (profile with complete flanks) |M15a|
Basic major diameter 9,827 ± 0,011 [mm] 9,816 ÷ 9,838
Basic pitch diameter 8,8485 ± 0,0045 [mm] 8,844 ÷ 8,853
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR ADJUSTABLE NOT GO SCREW RING GAUGE (profile with truncated flanks) |M15b|
Basic major diameter 9,1485 ± 0,011 [mm] 9,1375 ÷ 9,1595
Basic pitch diameter 8,8485 ± 0,0045 [mm] 8,844 ÷ 8,853
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
NOT GO SCREW CALLIPER GAUGE |M9|
A size corresponding to the clearing diameter — 4) 5) [mm]
A size corresponding to the pitch diameter — 4) 5) [mm]
A size corresponding to the minor diameter — 4) 5) [mm]
Flank angle 30° ± 16'
Profile truncated a)
Figure presenting profile with truncated flanks
4) ATTENTION - Screw calliper gauges are always adjustable that is why their sizes are not standardized. Circular runout radial tolerance for circular shaped anvils is 5 μm.
5) The profile sizes of the gauging members of NOT GO screw calliper gauges are equal to NOT GO screw ring gauges.
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
SETTING PLUG FOR NOT GO SCREW CALLIPER GAUGE |M10|
Basic major diameter 9,836 ± 0,011 2) [mm] 9,825 ÷ 9,847
Basic pitch diameter 8,8485 ± 0,0045 [mm] 8,844 ÷ 8,853
Clearing diameter 7,964 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
PLAIN NOT GO CALLIPER GAUGE |M18|
A size corresponding to the basic diameter 9,732 ± 0,008 [mm] 9,724 ÷ 9,740
NOT GO CHECK PLUG FOR NEW PLAIN NOT GO CALLIPER GAUGE |M24|
Basic diameter 9,732 ± 0,002 [mm] 9,730 ÷ 9,734
PLAIN NOT GO RING GAUGE |M18|
Basic diameter 9,732 ± 0,008 [mm] 9,724 ÷ 9,740

Basic dimensions of thread

M10 - 6g
metric thread, external
Metric screw thread - nominal sizes
Name Symbol Value
Height H 1,299038 mm
Distance H/2 0,649519 mm
5/8 H 0,811899 mm
3/8 H 0,487139 mm
H/4 0,324760 mm
H/6 0,216506 mm 2)
H/8 0,162380 mm
According to ISO 68-1:1998
Name Symbol Value Unit Remarks
Nominal diameter 10 [mm] third choice
Pitch P 1,5 [mm] coarse
Lead Ph 1,5 [mm]
Number of starts 1 [-]
Thread angle α 60 [°]
Basic major diameter d 10 [mm] 9,732 ÷ 9,968
Basic pitch diameter d2 9,026 [mm] 8,862 ÷ 8,994
Basic minor diameter d1 8,376 [mm] — 1) ÷ 8,344
Minor diameter of external thread d3 8,160 [mm] 7,938 ÷ 8,128
Root radius R 0,217 2) [mm]
Height of thread h3 0,920 2) [mm]
Crest truncation P/8 0,188 [mm]
Truncation P/4 0,375 [mm]
Half-pitch P/2 0,750 [mm]
According to ISO 68-1:1998, ISO 261:1998, ISO 724:1993
1) Without tolerancing.
2) According to DIN 13-19:1999-11

Thread tolerances

M10 - 6g
metric thread, external
The figure illustrating external threads with tolerance positions 'e', 'f' or 'g'
OTHER
Minor diameter of external thread
Basic d3 8,160 mm
Minimum d3 min 7,938 mm
Maximum d3 max 8,128 mm
Upper deviation (fundamental) es -32 μm
Deviation for stress calculation esnap -249 μm
The minimum truncation Cmin 0,188 mm
Minimum root radii Rmin 0,188 mm 2)
According to ISO 965−1:1998, ISO 965−3:1998
BASIC DIMENSIONS
Basic major diameter
Basic d 10 mm
Minimum dmin 9,732 mm
Maximum dmax 9,968 mm
Tolerance Td 236 μm
Upper deviation (fundamental) es -32 μm
Lower deviation ei -268 μm
Basic pitch diameter
Basic d2 9,026 mm
Minimum d2 min 8,862 mm
Maximum d2 max 8,994 mm
Tolerance Td2 132 μm
Upper deviation (fundamental) es -32 μm
Lower deviation ei -164 μm
Basic minor diameter
Basic d1 8,376 mm
Minimum — — 1)
Maximum d1 max 8,344 mm
Tolerance — — 1)
Upper deviation (fundamental) es -32 μm
Lower deviation — — 1)
According to ISO 965−1:1998, ISO 965−3:1998
1) Without tolerancing.
2) According to ISO 965−1:1998 standard recommendation the root profile shall have a nonreversing curvature, no portion of which shall have a radius of less than 0.125 × P.

Limits of sizes of gauges

M10 - 6g
metric thread, external
SOLID GO SCREW RING GAUGE |M1|
Clearing diameter 10,087 [mm]
Basic pitch diameter 8,9861) ± 0,0091) [mm] 8,977 ÷ 8,995
Basic minor diameter 8,344 ± 0,009 [mm] 8,335 ÷ 8,353
Wear limit of gauge 9,007 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
1) These sizes are valid if the solid screw ring gauges are not produced accordint to the GO and NOT GO check plugs but are measured; this shall be agreed upon between the manufacturer and purchaser.
a) With a clearance groove of maximum b1max = 0,19 mm or with a radius of maximum r1max = 0,108 mm. The form of the clearance groove is left to the discretion of the manufacturer.
GO SCREW CHECK PLUG FOR NEW SOLID GO SCREW RING GAUGE |M2|
Basic major diameter 9,968 ± 0,0112) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,968 ± 0,0045 [mm] 8,9635 ÷ 8,9725
Clearing diameter 8,1015 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
NOT GO SCREW CHECK PLUG FOR NEW SOLID GO SCREW RING GAUGE |M3|
Basic major diameter 9,295 ± 0,0055 [mm] 9,2895 ÷ 9,3005
Basic pitch diameter 8,995 ± 0,0045 [mm] 8,9905 ÷ 8,9995
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
WEAR CHECK PLUG FOR SOLID OR ADJUSTABLE GO SCREW RING GAUGE |M6|
Basic major diameter 9,307 ± 0,0055 [mm] 9,3015 ÷ 9,3125
Basic pitch diameter 9,007 ± 0,0045 [mm] 9,0025 ÷ 9,0115
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
ADJUSTABLE GO SCREW RING GAUGE |M4|
Clearing diameter 10,087 [mm]
Basic pitch diameter — 3) [mm]
Basic minor diameter 8,344 ± 0,009 [mm] 8,335 ÷ 8,353
Wear limit of gauge 9,007 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
3) Size and deviation are not specified as the gauge is set on its setting plug.
a) With a clearance groove of maximum b1max = 0,19 mm or with a radius of maximum r1max = 0,108 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR ADJUSTABLE GO SCREW RING GAUGE (profile with complete flanks) |M5a|
Basic major diameter 9,968 ± 0,0112) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,9815 ± 0,0045 [mm] 8,977 ÷ 8,986
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR ADJUSTABLE GO SCREW RING GAUGE (profile with truncated flanks) |M5b|
Basic major diameter 9,2815 ± 0,0055 [mm] 9,276 ÷ 9,287
Basic pitch diameter 8,9815 ± 0,0045 [mm] 8,977 ÷ 8,986
Clearing diameter 8,1185 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
GO SCREW CALLIPER GAUGE |M7|
A size corresponding to the clearing diameter — 4) 6) [mm]
A size corresponding to the pitch diameter — 4) 6) [mm]
A size corresponding to the minor diameter — 4) 6) [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
4) ATTENTION - Screw calliper gauges are always adjustable that is why their sizes are not standardized. Circular runout radial tolerance for circular shaped anvils is 5 μm.
6) On gauging members of the GO screw calliper gauges, the distance between the pitch diameter line and the crest line is 0,325 mm. The root of this profile is equal to that of the GO screw ring gauge.
a) With a clearance groove of maximum b1max = 0,19 mm or with a radius of maximum r1max = 0,108 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR GO SCREW CALLIPER GAUGE |M8|
Basic major diameter 9,968 ± 0,011 2) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,968 ± 0,0045 [mm] 8,9635 ÷ 8,9725
Clearing diameter 8,1015 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
PLAIN GO CALLIPER GAUGE |M17|
A size corresponding to the basic diameter 9,930 ± 0,008 [mm] 9,922 ÷ 9,938
Wear limit of gauge 9,968 7) [mm]
7) Wear limit for GO gauges is the upper limit of the workpiece diameter.
GO CHECK PLUG FOR NEW PLAIN GO CALLIPER GAUGE |M23|
Basic diameter 9,930 ± 0,002 [mm] 9,928 ÷ 9,932
PLAIN GO RING GAUGE |M17|
Basic diameter 9,930 ± 0,008 [mm] 9,922 ÷ 9,938
Wear limit of gauge 9,968 7) [mm]
7) Wear limit for GO gauges is the upper limit of the workpiece diameter.
SOLID NOT GO SCREW RING GAUGE |M11|
Clearing diameter 9,979 [mm]
Basic pitch diameter 8,8531) ± 0,0091) [mm] 8,844 ÷ 8,862
Basic minor diameter 8,553 ± 0,018 [mm] 8,535 ÷ 8,571
Wear limit of gauge 8,868 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
1) These sizes are valid if the solid screw ring gauges are not produced accordint to the GO and NOT GO check plugs but are measured; this shall be agreed upon between the manufacturer and purchaser.
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
GO SCREW CHECK PLUG FOR NEW SOLID NOT GO SCREW RING GAUGE |M12|
Basic major diameter 9,968 ± 0,011 2) [mm] 9,957 ÷ 9,979
Basic pitch diameter 8,835 ± 0,0045 [mm] 8,8305 ÷ 8,8395
Clearing diameter 7,9685 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
NOT GO SCREW CHECK PLUG FOR NEW SOLID NOT GO SCREW RING GAUGE |M13|
Basic major diameter 9,836 ± 0,011 [mm] 9,825 ÷ 9,847
Basic pitch diameter 8,862 ± 0,0045 [mm] 8,8575 ÷ 8,8665
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
WEAR CHECK PLUG FOR SOLID OR ADJUSTABLE NOT GO SCREW RING GAUGE |M16|
Basic major diameter 9,842 ± 0,011 [mm] 9,831 ÷ 9,853
Basic pitch diameter 8,868 ± 0,0045 [mm] 8,8635 ÷ 8,8725
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
ADJUSTABLE NOT GO SCREW RING GAUGE |M14|
Clearing diameter 9,979 [mm]
Basic pitch diameter — 3) [mm]
Basic minor diameter 8,553 ± 0,018 [mm] 8,535 ÷ 8,571
Wear limit of gauge 8,868 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
3) Size and deviation are not specified as the gauge is set on its setting plug.
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
SETTING PLUG FOR ADJUSTABLE NOT GO SCREW RING GAUGE (profile with complete flanks) |M15a|
Basic major diameter 9,827 ± 0,011 [mm] 9,816 ÷ 9,838
Basic pitch diameter 8,8485 ± 0,0045 [mm] 8,844 ÷ 8,853
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
SETTING PLUG FOR ADJUSTABLE NOT GO SCREW RING GAUGE (profile with truncated flanks) |M15b|
Basic major diameter 9,1485 ± 0,011 [mm] 9,1375 ÷ 9,1595
Basic pitch diameter 8,8485 ± 0,0045 [mm] 8,844 ÷ 8,853
Clearing diameter 7,9955 [mm]
Flank angle 30° ± 16'
Profile truncated a) b)
Figure presenting profile with truncated flanks
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
NOT GO SCREW CALLIPER GAUGE |M9|
A size corresponding to the clearing diameter — 4) 5) [mm]
A size corresponding to the pitch diameter — 4) 5) [mm]
A size corresponding to the minor diameter — 4) 5) [mm]
Flank angle 30° ± 16'
Profile truncated a)
Figure presenting profile with truncated flanks
4) ATTENTION - Screw calliper gauges are always adjustable that is why their sizes are not standardized. Circular runout radial tolerance for circular shaped anvils is 5 μm.
5) The profile sizes of the gauging members of NOT GO screw calliper gauges are equal to NOT GO screw ring gauges.
a) With a clearance groove of b3 = 0,4 ± 0,04 [mm]. The form of the clearance groove is left to the discretion of the manufacturer.
b) Distances F1 = 0,15 mm, F2 = 0,3 mm.
SETTING PLUG FOR NOT GO SCREW CALLIPER GAUGE |M10|
Basic major diameter 9,836 ± 0,011 2) [mm] 9,825 ÷ 9,847
Basic pitch diameter 8,8485 ± 0,0045 [mm] 8,844 ÷ 8,853
Clearing diameter 7,964 [mm]
Flank angle 30° ± 12'
Profile complete a)
Figure presenting profile with complete flanks
2) If the profile on the major diameter is to be sharp, this sharp profile shall be slightly broken even if the tolerances are violated (width of flat 0,03 mm max. and 0,02 mm min.).
a) With a clearance groove of maximum b2max = 0,37 mm or with a radius of maximum r2max = 0,21 mm. The form of the clearance groove is left to the discretion of the manufacturer.
PLAIN NOT GO CALLIPER GAUGE |M18|
A size corresponding to the basic diameter 9,732 ± 0,008 [mm] 9,724 ÷ 9,740
NOT GO CHECK PLUG FOR NEW PLAIN NOT GO CALLIPER GAUGE |M24|
Basic diameter 9,732 ± 0,002 [mm] 9,730 ÷ 9,734
PLAIN NOT GO RING GAUGE |M18|
Basic diameter 9,732 ± 0,008 [mm] 9,724 ÷ 9,740

Tolerances and permissible wear of gauges

M10 - 6g
metric thread, external
The image of tolerance zones for the pitch diameter of gauges for external threads The image of tolerance zones for plain gauges for major diameter of external threads
Name Symbol Value
Tolerance of screw ring gauge TR 18 μm
Toleracne of screw plug gauge TPL 11 μm
Tolerance of check plugs, wear plugs and setting plugs TCP 9 μm
Distance m 18 μm
Distance ZR 8 μm
Wear of GO screw ring gauges WGO 21 μm
Wear of NOT GO screw ring gauges WNG 15 μm
Half-tolerance H2/2 8 μm
Half-tolerance HP/2 2 μm
Distance Z2 38 μm
Half-tolerance Tα1/2 12′
Half-tolerance Tα2/2 16′
According to ISO 1502:1996

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