Library › Cameras & lenses › Lens filter threads: M40.5 × 0.5 to M112, pitch table and thread rings

M86 × 1 filter internal thread ring section

M86 × 1 filter internal thread ring section: ISO 68-1 basic profile, minor Ø84.917, pitch Ø85.350, major Ø86, pitch 1; 8 long (8 turns), outside Ø90 (design choice); exact nominal, no tolerance

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

threadM86 × 1
major Ø D (mm)86
pitch P (mm)1
pitch Ø D2 (mm)85.350
minor Ø D1 (mm)84.917
thread depth 5H/8 (mm)0.541
pitch fromMarumi
filesmale + female rings
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From the full sheet

Lens filter threads: M40.5 × 0.5 to M112, pitch table and thread rings: every size, notes, mating features and sources. What thread pitch is a 67 mm (or 52, 77, 82 mm) lens filter?

Other sizes