Library › Hardware › Shoulder screws ASME B18.3 (inch): shoulder Ø 1/4 to 3/4 in, thread…

shoulder-screw-b18-3-1-2in-shoulder-3-8-16

ASME B18.3 shoulder screw, 1/2 in shoulder (Ø12.70 mm) × 1 in (25.4 mm) long, thread 3/8-16 × 0.625 in (15.88 mm) drawn as a plain Ø9.52 mm cylinder, head Ø0.750 × 0.312 in (max), 1/4 in hex socket 0.188 in deep (key engagement min); the 1 in shoulder length is an example, not a published value; no chamfers, fillets or thread neck

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

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From the full sheet

Shoulder screws ASME B18.3 (inch): shoulder Ø 1/4 to 3/4 in, thread, head size, hex key, thread length: every size, notes, mating features and sources. What are the dimensions of an ASME B18.3 inch socket shoulder screw: shoulder diameter, thread, head diameter and height, hex key, thread length?

Other sizes

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