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Library › Hardware › Machine screws, inch (ASME B18.6.3): pan, 82° flat, round, truss…

1/2 pan head machine screw envelope

1/2 pan head machine screw envelope: head Ø25.07 (A max 0.987 in) x 7.14 mm (H max 0.281 in), top edge radius R max 0.175 in, slot 0.106 in wide (J max) x 0.131 in deep (T min), plain Ø12.700 mm shank, example length under the head 1.0 in (Xem's choice); no thread, Phillips cross or point

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

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From the full sheet

Machine screws, inch (ASME B18.6.3): pan, 82° flat, round, truss, fillister heads #0 to 1/2 — head, slot and recess sizes + envelope models: every size, notes, mating features and sources. What are the head diameter, head height, slot and Phillips recess sizes of a #6-32 or 1/4-20 machine screw (pan, flat, round, truss, fillister)?

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