Spectacle / eyeglass frames (ISO 11381) screw size

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

M1.2varies by frameconfirmed

standard ophthalmic screw thread M1.2 x 0.25 for frames, hinges and pads

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

M1.4varies by frameconfirmed

standard ophthalmic screw thread M1.4 x 0.3, common hinge/temple screw

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

M1.6varies by frameconfirmed

standard ophthalmic screw thread M1.6 x 0.35, hinge and barrel screws

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

M2varies by frameconfirmed

standard ophthalmic screw thread M2 x 0.4 on larger frames and sunglasses

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

Replacement screws for Spectacle / eyeglass frames (ISO 11381)

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Slug: spectacle-eyeglass-frames-iso-11381