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Unit:inch

Hexalobular Socket Hex Head with Type A Thread-Forming Tapping Screws [Table 30 & 42]

ASME B 18.6.3 (Hex-VI-A) - 2013

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美标ASME B18.6.3 (Hex-VI-A) - 2013 ASME18. Hexalobular Socket Hex Head with Type A Thread-Forming Tapping Screws [Table 30 & 42]
Thread Size
4# 5# 6# 7# 8# 10# 12# 14# 20# 24#
PP
d max
min
d1 max
min
s max
min
e min
k max
min
Socket No.
A Ref.
t max
min
24 20 18 16 15 12 11 10 9 9
0.114 0.130 0.141 0.158 0.168 0.194 0.221 0.254 0.333 0.390
0.110 0.126 0.136 0.152 0.162 0.188 0.215 0.248 0.327 0.383
0.083 0.095 0.102 0.114 0.123 0.133 0.162 0.185 0.234 0.291
0.078 0.090 0.096 0.108 0.116 0.126 0.155 0.178 0.226 0.282
0.188 0.188 0.250 0.250 0.250 0.312 0.312 0.375 0.500 0.562
0.181 0.181 0.244 0.244 0.244 0.305 0.305 0.367 0.489 0.551
0.202 0.202 0.272 0.272 0.272 0.340 0.340 0.409 0.545 0.614
0.060 0.070 0.093 0.093 0.110 0.120 0.155 0.190 0.230 0.295
0.049 0.058 0.080 0.080 0.096 0.105 0.139 0.172 0.208 0.270
T10 T10 T15 T15 T20 T25 T27 T30 T40 T45
0.111 0.111 0.132 0.132 0.155 0.178 0.200 0.221 0.266 0.312
0.040 0.050 0.051 0.051 0.065 0.080 0.080 0.095 0.125 0.155
0.035 0.040 0.040 0.040 0.050 0.065 0.065 0.080 0.100 0.125

Alternative history

ASME B 18.6.3Hex-VI-A - 2013 ASME B 18.6.3H9B-VI+T1D - 2024
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