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Hex Cap Screws [Table 6] (SAE J429 / ASTM A449 / F593 / F468 / A394)

ASME B 18.2.1 (T6) - 2012

Display drawing:

Screw Thread 5/16 1/2 9/16 7/8 1-5/8 2-1/2 1-7/8 7/16 3/4 1-1/8 1-1/4 1-3/8 2-1/4 2-3/4 3 1-3/4 1 1/4 1-1/2 3/8 2 5/8
D 0.3125 0.5 0.5625 0.875 1.625 2.5 1.875 0.4375 0.75 1.125 1.25 1.375 2.25 2.75 3 1.75 1 0.25 1.5 0.375 2 0.625
P 18 13 12 9 12 4.5 12 14 10 7 7 6 4.5 4 4 5 8 20 6 16 4.5 11
Ds Max 0.3125 0.5 0.5625 0.875 1.625 2.5 1.875 0.4375 0.75 1.125 1.25 1.375 2.25 2.75 3 1.75 1 0.25 1.5 0.375 2 0.625
Ds Min 0.3065 0.493 0.5545 0.866 1.613 2.488 1.863 0.4305 0.741 1.114 1.239 1.363 2.238 2.738 2.988 1.738 0.99 0.245 1.488 0.369 1.988 0.617
S Max 0.5 0.75 0.812 1.312 2.438 3.75 2.812 0.625 1.125 1.688 1.875 2.062 3.375 4.125 4.5 2.625 1.5 0.438 2.25 0.562 3 0.938
S Min 0.489 0.736 0.798 1.285 2.356 3.625 2.719 0.612 1.1 1.631 1.812 1.994 3.262 3.988 4.35 2.538 1.469 0.428 2.175 0.551 2.9 0.922
E Max 0.577 0.866 0.938 1.516 2.815 4.33 3.248 0.722 1.299 1.949 2.165 2.382 3.897 4.763 5.196 3.031 1.732 0.505 2.598 0.65 3.464 1.083
E Min 0.557 0.84 0.91 1.465 2.686 4.133 3.099 0.698 1.254 1.859 2.066 2.273 3.719 4.546 4.959 2.893 1.675 0.488 2.48 0.628 3.306 1.051
K Max 0.211 0.323 0.371 0.563 1.038 1.583 1.198 0.291 0.483 0.718 0.813 0.878 1.423 1.744 1.935 1.134 0.627 0.163 0.974 0.243 1.263 0.403
K Min 0.195 0.302 0.348 0.531 0.962 1.479 1.114 0.272 0.455 0.658 0.749 0.81 1.327 1.632 1.815 1.054 0.591 0.15 0.902 0.226 1.175 0.378
Kw Min 0.14 0.215 0.25 0.378 0.694 1.042 0.802 0.195 0.324 0.461 0.53 0.569 0.933 1.151 1.29 0.748 0.416 0.106 0.64 0.16 0.825 0.269
B L≤6 0.875 1.25 1.375 2 3.5 None 4 1.125 1.75 2.5 2.75 3 None None None 3.75 2.25 0.75 3.25 1 4.25 1.5
B L＞6 1.125 1.5 1.625 2.25 3.75 5.5 4.25 1.375 2 2.75 3 3.25 5 6 6.5 4 2.5 1 3.5 1.25 4.5 1.75
R Max 0.025 0.025 0.45 0.065 None 0.095 None 0.025 0.45 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.025 0.095 0.025 0.095 0.45
R Min 0.015 0.015 0.02 0.04 None 0.060 None 0.015 0.02 0.06 0.06 0.06 0.060 0.060 0.060 0.06 0.06 0.015 0.06 0.015 0.06 0.02