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Same specifications, different dimensions for other parts.

Unit:inch

Dimensions of Type TRS Tapping Screws

ASME/ANSI B 18.6.3 (T45) - 2013

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美标ASME/ANSI B18.6.3 (T45) - 2013 ASME/AN Dimensions of Type TRS Tapping Screws
Code
2# 3# 4# 5# 6# 8# 10# 10# 12# 1/4 5/16 3/8 7/16 1/2
d Nominal Diameter
PP Threads per in.
c max
P max
0.0860 0.0990 0.1120 0.1250 0.1380 0.1640 0.1900 0.1900 0.2120 0.2500 0.3125 0.3750 0.4375 0.5000
56 48 40 40 32 32 24 32 24 20 18 16 14 20
0.0875 0.1010 0.1145 0.1275 0.1410 0.1670 0.1940 0.1930 0.2200 0.2550 0.3180 0.3810 0.4445 0.5075
0.0700 0.0810 0.0900 0.1030 0.1110 0.1370 0.1530 0.1630 0.1790 0.2060 0.2640 0.3200 0.3750 0.4330

Alternative history

ASME/ANSI B 18.6.3T45 - 2013 ASME B 18.6.3T4.1.3-1 - 2024
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