Machinery's Handbook, 31st Edition
2032
Metric Screw Threads M Profile Table 13. External Metric Thread—M Profile Limiting Dimensions ANSI/ASME B1.13M-2005 (R2015)
Table 13. (Continued) External Metric Thread—M Profile Limiting Dimensions ANSI/ASME B1.13M-2005 (R2015)
Minor Dia. b d 1 Max.
Minor Dia. d d 3 Min.
Major Diameter b d
Pitch Diameter b , c d 2
Basic Thread Designation
Tol. Class 4g6g
Allowance a es
Max. 84.962 89.920 90.000 89.920 89.962 90.000 89.962 94.962 95.000 94.962 99.920 99.920 99.962 99.962
Min.
Max.
Min.
Tol.
0.038 0.080 0.000 0.080 0.038 0.000 0.038 0.038 0.000 0.038 0.080 0.000 0.080 0.038 0.000 0.038 0.038 0.000 0.038 0.038 0.000 0.038 0.038 0.000 0.038 0.038 0.000 0.038 0.038 0.000 0.038 0.038 0.000 0.038 0.048 0.000 0.048 0.048 0.000 0.048 0.048 0.000 0.048 0.048 0.000 0.048 0.048 0.000 0.048
84.682 83.663 83.551 0.112 82.797 82.319 89.320 86.023 85.743 0.280 83.425 82.047 89.400 86.103 85.823 0.280 83.505 82.127 89.320 86.023 85.843 0.180 83.425 82.147 89.682 88.663 88.483 0.180 87.797 87.251 89.720 88.701 88.521 0.180 87.835 87.289 89.682 88.663 88.551 0.112 87.797 87.319 94.682 93.663 93.473 0.190 92.797 92.241 94.720 93.701 93.511 0.190 92.835 92.279 94.682 93.663 93.545 0.118 92.797 92.313 99.320 96.023 95.723 0.300 93.425 92.027 99.320 96.023 95.833 0.190 93.425 92.137 99.682 98.663 98.473 0.190 97.797 97.241 99.682 98.663 98.545 0.118 97.797 97.313
M85 × 2 M90 × 6 M90 × 6 M90 × 6 M90 × 2 M90 × 2 M90 × 2 M95 × 2 M95 × 2 M95 × 2 M100 × 6 M100 × 6 M100 × 6 M100 × 2 M100 × 2 M100 × 2 M105 × 2 M105 × 2 M105 × 2 M110 × 2 M110 × 2 M110 × 2 M120 × 2 M120 × 2 M120 × 2 M130 × 2 M130 × 2 M130 × 2 M140 × 2 M140 × 2 M140 × 2 M150 × 2 M150 × 2 M150 × 2 M160 × 3 M160 × 3 M160 × 3 M170 × 3 M170 × 3 M170 × 3 M180 × 3 M180 × 3 M180 × 3 M190 × 3 M190 × 3 M190 × 3 M200 × 3 M200 × 3 M200 × 3
6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h 6g 6h
4g6g
4g6g
4g6g
100.000 99.400 96.103 95.803 0.300 93.505 92.107
4g6g
100.000 99.720 98.701 98.511 0.190 97.835 97.279 104.962 104.682 103.663 103.473 0.190 102.797 102.241 105.000 104.720 103.701 103.511 0.190 102.835 102.279 104.962 104.682 103.663 103.545 0.118 102.797 102.313 109.962 109.682 108.663 108.473 0.190 107.797 107.241 110.000 109.720 108.701 108.511 0.190 107.835 107.279 109.962 109.682 108.663 108.545 0.118 107.797 107.313 119.962 119.682 118.663 118.473 0.190 117.797 117.241 120.000 119.720 118.701 118.511 0.190 117.835 117.279 119.962 119.682 118.663 118.545 0.118 117.797 117.313 129.962 129.682 128.663 128.473 0.190 127.797 127.241 130.000 129.720 128.701 128.511 0.190 127.835 127.279 129.962 129.682 128.663 128.545 0.118 127.797 127.313 139.962 139.682 138.663 138.473 0.190 137.797 137.241 140.000 139.720 138.701 138.511 0.190 137.835 137.279 139.962 139.682 138.663 138.545 0.118 137.797 137.313 149.962 149.682 148.663 148.473 0.190 147.797 147.241 150.000 149.720 148.701 148.511 0.190 147.835 147.279 149.962 149.682 148.663 148.545 0.118 147.797 147.313 159.952 159.577 158.003 157.779 0.224 156.704 155.931 160.000 159.625 158.051 157.827 0.224 156.752 155.979 159.952 159.577 158.003 157.863 0.140 156.704 156.015 169.952 169.577 168.003 167.779 0.224 166.704 165.931 170.000 169.625 168.051 167.827 0.224 166.752 165.979 169.952 169.577 168.003 167.863 0.140 166.704 166.015 179.952 179.577 178.003 177.779 0.224 176.704 175.931 180.000 179.625 178.051 177.827 0.224 176.752 175.979 179.952 179.577 178.003 177.863 0.140 176.704 176.015 189.952 189.577 188.003 187.753 0.250 186.704 185.905 190.000 189.625 188.051 187.801 0.250 186.752 185.953 189.952 189.577 188.003 187.843 0.160 186.704 185.995 199.952 199.577 198.003 197.753 0.250 196.704 195.905 200.000 199.625 198.051 197.801 0.250 196.752 195.953 199.952 199.577 198.003 197.843 0.160 196.704 195.995
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
4g6g
a es is an absolute value. b Coated threads with tolerance classes 6g or 4g6g, see Material Limits for Coated Threads, 2020. c Functional diameter size includes the effects of all variations in pitch diameter, thread form, and profile. The variations in the individual thread characteristics such as flank angle, lead, taper, and roundness on a given thread, cause the measurements of the pitch diameter and functional diameter to vary from one another on most threads. The pitch diameter and the functional diameter on a given thread are equal to one another only when the thread form is perfect. When required to inspect either the pitch diameter, the functional diameter, or both, for thread acceptance, use the same limits of size for the appropriate thread size and class. d Dimension used in the design of tools, etc.; in dimensioning external threads it is not normally specified. Generally, minor diameter acceptance is based on maximum material condition gaging. All dimensions are in millimeters.
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