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#6 socket head cap screw envelope

#6 socket head cap screw envelope: head Ø5.74 mm (A max 0.226 in) x 3.51 mm (H max 0.138 in), hex socket 7/64 in across flats x 0.064 in deep (key engagement min), plain Ø3.505 mm shank (D max), example length under the head 0.5 in (Xem's choice); no thread, top chamfer, fillet or socket cone

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

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Dimensions

size#6
TPI UNC / UNF32 / 40
body D max / min (in)0.1380 / 0.1329
head A max / min (in)0.226 / 0.218
head height H max / min (in)0.138 / 0.134
hex socket nominal7/64 in
key engagement T min (in)0.064
wall min (in)0.047
fillet transition dia max / min (in)0.158 / 0.145
top chamfer max (in)0.013
bottom chamfer max (in)0.008
basic thread length LT (in)—
D max (mm, computed)3.505
head dia x height max (mm, computed)5.74 x 3.51
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From the full sheet

Socket head cap screws, inch #0 to 1-1/2 (ASME B18.3): head, hex socket, key engagement — full size table + models #0 to 1: every size, notes, mating features and sources. What are the head diameter, head height and hex key size of a #4-40, #8-32, 1/4-20, 5/8-11 or 1 in socket head cap screw?

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