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

#12 pan head machine screw envelope

#12 pan head machine screw envelope: head Ø10.79 (A max 0.425 in) x 3.17 mm (H max 0.125 in), top edge radius R max 0.078 in, slot 0.067 in wide (J max) x 0.061 in deep (T min), plain Ø5.486 mm shank, example length under the head 0.5 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.

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

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

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)?

Other sizes