ASME B18.3 1/4-20×1 in button head socket cap screw, 25.4 mm long

standard-defined representative, no unique vendor SKU · button-head

Use it

(import "parts/fastener-imperial/B18.3-BHCS-1_4-20x1in.ik" as p)

In a design on ink: ask your agent for it by name, or by what it must be.

Dimensions

Frame of reference

underhead bearing plane z=0, head +z, tip -z

Frames

Where it connects: each frame sits on the face it connects by, z out of the part, in the part's own coordinates.