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

5/8 flat head socket cap screw envelope

5/8 flat head socket cap screw envelope: 82° cone from Ø30.18 mm (A max 1.188 in) to the Ø15.875 mm body over 8.23 mm (H max 0.324 in), hex socket 3/8 in across flats x 0.220 in deep (key engagement min), plain shank, example overall length head top to tip 1.5 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

size5/8
TPI UNC / UNF11 / 18
body D max / abs. min (in)0.6250 / 0.6163
head A max / min (in)1.188 / 1.112
head height H max (in)0.324
hex socket (nominal)3/8 in
spline socket (nominal).454 in
key engagement min (in)0.220
cone height, computed (in)0.324
head dia x height max (mm, computed)30.18 x 8.23
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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