Spectacle frames per ISO 11381 screw size

Spectacle frames per ISO 11381 uses M1.2 / M1.4 / M1.6 / M2 screws. Details, length ranges and sources below.

M1.2varies by frameconfirmed

M1.2 x 0.25 is one of six standard eyewear frame threads

pitch 0.25 mm · tap 0.95 mm · clearance 1.4 mm · PH000 / JIS 00 / Torx T1–T2

M1.4varies by frameconfirmed

M1.4 x 0.3 is a standard eyewear frame thread

pitch 0.3 mm · tap 1.1 mm · clearance 1.6 mm · PH000 / PH00 / Torx T2–T3

M1.6varies by frameconfirmed

M1.6 x 0.35 is a standard eyewear frame thread

pitch 0.35 mm · tap 1.25 mm · clearance 1.8 mm · PH00 / Torx T4–T5

M2varies by frameconfirmed

M2.0 x 0.4 is the largest standard eyewear frame thread

pitch 0.4 mm · tap 1.6 mm · clearance 2.4 mm · PH0 / Torx T6

Replacement screws for Spectacle frames per ISO 11381

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Slug: spectacle-frames-per-iso-11381