Library › Hardware › Camera tripod thread bosses: 1/4-20 UNC and 3/8-16 UNC

3/8-16 UNC female boss section, Unified basic profile

3/8-16 UNC female boss section, Unified basic profile: minor Ø7.806, pitch Ø8.494, major Ø9.525, 12.700 long (8 turns), outside Ø22 (same as the core-hole boss)

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

STEP STL free, Xem Studio Design License — Xem Studio

Dimensions

thread3/8-16 UNC
major Ø (mm)9.52
core hole Ø (mm)8.25
boss (my design)Ø22 × 12, hole 10 deep
fromDIN 4503-1 / ISO 1222 (Threading Tools Guide)
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From the full sheet

Camera tripod thread bosses: 1/4-20 UNC and 3/8-16 UNC: every size, notes, mating features and sources. What thread is a camera tripod screw?

Other sizes