Library › Hardware › Socket head cap screws, inch: #10-24, #10-32, 5/16-18, 3/8-16, 1/2-13

5/16-18 × 0.5 in socket head cap screw

5/16-18 × 0.5 in socket head cap screw: head Ø11.91 × 7.94, 1/4 in hex key

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

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

Dimensions

size5/16-18
major_mm7.938
tpi18
head_dia_mm11.91
head_h_mm7.94
hex_key_in1/4
lengths_in0.5, 0.625, 0.75, 1, 1.25, 1.5, 2
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From the full sheet

Socket head cap screws, inch: #10-24, #10-32, 5/16-18, 3/8-16, 1/2-13 (ASME B18.3): every size, notes, mating features and sources. What are the dimensions of a 5/16-18 socket head cap screw?

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