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Library › Hardware › Flat head socket cap screws, inch (ASME B18.3, 82° countersunk) #0…

3/8 flat head socket cap screw envelope

3/8 flat head socket cap screw envelope: 82° cone from Ø19.84 mm (A max 0.781 in) to the Ø9.525 mm body over 5.94 mm (H max 0.234 in), hex socket 7/32 in across flats x 0.159 in deep (key engagement min), plain shank, example overall length head top to tip 1 in (Xem's choice); no thread, spline option, socket cone or point

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

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

size3/8
TPI UNC / UNF16 / 24
body D max / abs. min (in)0.3750 / 0.3678
head A max / min (in)0.781 / 0.720
head height H max (in)0.234
hex socket (nominal)7/32 in
spline socket (nominal).251 in
key engagement min (in)0.159
cone height, computed (in)0.234
head dia x height max (mm, computed)19.84 x 5.94
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From the full sheet

Flat head socket cap screws, inch (ASME B18.3, 82° countersunk) #0 to 1-1/2: head, hex socket, key engagement + models #0 to 1: every size, notes, mating features and sources. What are the head diameter, head height, hex key and countersink angle of a 1/4-20 or #10-24 flat head socket cap screw?

Other sizes