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.
M1.2 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
M1.4 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
M1.6 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
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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- Buy on AmazonKits and single sizes, with reviews naming real devices
- Buy on eBayOEM screw sets and repair-parts sellers
- M1.2 screw assortment kitBoxed kit with several lengths — the cheapest way to cover one thread size
- M1.2 socket cap screwsISO 4762 / DIN 912 hex-drive, the engineering default
- M1.2 low profile / button headFor clearance-limited repairs and thin covers
- M1.2 standoffs & spacersPCB and board-mount hardware in the same thread
- M1.2 tap & drillFor cutting or chasing a damaged thread
- Precision driver setSmall threads need a properly fitting bit or you cam out and round the head
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