Library › Hardware › Reversing-groove drum Ø30 × 90: crossed right- and left-hand…

drum, axis Z, grooves z 15..75, both start at angle 0

Exact dimensions. True size, no printing tolerance added.

STEP STL free, Xem Studio Design License — Xem Studio

Dimensions

dimension	grooves
value	RH + LH, pitch 30, 2 turns each

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From the full sheet

Reversing-groove drum Ø30 × 90: crossed right- and left-hand grooves, pitch 30, 5 wide: every size, notes, mating features and sources. What is a reversing screw drum?