BS 6102-9:1990
Current
The latest, up-to-date edition.
Cycles Specification for screw threads used in bottom bracket assemblies
Hardcopy , PDF
English
11-30-1990
Committees responsible
National foreword
Specification
Introduction
1 Scope
2 Normative references
3 Basic ISO thread profile and basic sizes
4 Limits and tolerances
5 Designation
6 Gauging system
Tables
1 Basic dimensions
2 Limits and tolerances for screw threads on cups
3 Limits and tolerances for screw threads on bottom
bracket shell
4 Cup - Limits of size for GO screw ring and calliper
gauges, and associated screw check, wear and setting
plugs
5 Cup - Limits of size for NOT GO screw ring and
calliper gauges, and associated screw check, wear and
setting plugs
6 Shell - Limits of size for GO and NOT GO screw plug
gauges
7 Cup and shell - Limits of size for GO and NOT GO
plain ring or calliper gauges for cup major diameter,
and GO and NOT GO plain plug gauges for shell minor
diameter
Figures
1 Basic profiles of British Standard Cycle and ISO
threads
2 Thread profiles and tolerance zones for ISO bottom
bracket shell and cup threads
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