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17 mm ball stud

17 mm ball stud: Ø17.0 ball on a Ø8 neck (neck 6 clear below the ball) on a Ø20 × 4 foot; ball centre 17.500 above the foot face. Ball exact; neck and foot are my design

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

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

Dimensions

feature	neck
mm	Ø8
from	my design

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From the full sheet

17 mm ball joint for phone mounts (ball stud): every size, notes, mating features and sources. What size is the ball on a car phone mount?