GB 11533-1989
Replaced
GB/T 38575-2021
Active
National standards
GB/T 38575-2021 Spectacle frames—Screw threads
GB/T 38575-2021 Spectacle frames—Screw threads
Basic Information
Standard Code:
GB/T 38575-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other daily necessities
ICS Name:
Ophthalmic equipment
Publish Date:
2021-04-30
Implement Date:
2021-11-01
Pages:
7 pages
Scope
This document specifies the classification and requirements for screw threads used in eyeglass frames, the length and tolerances of screws, thread taps, and measuring instruments.
This document is applicable to small screw threads, ordinary screw threads, and thread taps.
This document is not applicable to self-tapping screws.
Development Information
Referenced Standards
GB/T 2516-2003 General purpose metric screw threads—Limit deviations
GB/T 2516-2023 General purpose metric screw threads—Limit deviations
GB/T 3464.1-1994 Machine and hand taps
GB/T 3464.1-2007 Machine and hand taps—Part 1:Plain parallel shank machine and hand taps
GB/T 3934-2003 Specification of gauges for general purpose screw threads
GB/T 15054.2-1994 Miniature screw threads—General plan
GB/T 15054.2-2018 Miniature screw threads—Part 2:Tolerances and limits of size
GB/T 3934-2025 Specification of gauges for general purpose screw threads
Adopt standards
ISO 11381:2016
Related Standards
GB/T 14148-1993
Replaced
GB/T 14148-1993 Glass blank of ophthalmic lenses
GB/T 14214-1993
Replaced
GB/T 14214-1993 Spectacle frames
GB 10810-1996
Replaced
GB 10810-1996 Spectacles lenses
GB 17342-1998
Replaced
GB 17342-1998 Ophthalmic instrument—Trial case lenses
GB 13511-1999
Replaced