Male member with a long tenon

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

dimension	tenon
value	8 × 8 mm, 40 mm long

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From the full sheet

Sao tsugi (keyed rod splice): every size, notes, mating features and sources. What is a sao tsugi joint?

Other sizes

Female member with the long mortise
Square key 4 × 4 × 28 mm (sao-tsugi-rod-splice-key-1)
Square key 4 × 4 × 28 mm (sao-tsugi-rod-splice-key-2)
All parts in their assembled position (each part its own solid)