BS 93:1951
Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A

Standard No.

BS 93:1951

Release Date

1951

Published By

British Standards Institution (BSI)

Status

Be replaced 2008-09

Replace By

BS 93:2008

Latest

BS 93:2008

Scope

Form of thread defined. Tables: basic sizes from 0 B.A. to 25 B.A. Dimensions and tolerances for a 'normal' series from 0 B.A. to 16 B.A.; and for a 'close' class from 0 B.A. to 10 B.A. Recommended gauging system, tables of inch equivalents, in appendices. Data on bases of B.A. sizes, allowances and tolerances.

BS 93:1951 history

• 2008 BS 93:2008 British Association (B.A.) screw threads - Requirements
• 1951 BS 93:1951 Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A