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Homepage>BS Standards>21 MECHANICAL SYSTEMS AND COMPONENTS FOR GENERAL USE>21.040 Screw threads>21.040.30 Special screw threads>BS 93:1951 Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A.
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immediate downloadReleased: 1951-05-25
BS 93:1951 Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A.

BS 93:1951

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

CURRENCY
180 EUR
Standard number:BS 93:1951
Pages:22
Released:1951-05-25
ISBN:0 580 32434 6
Status:Standard
DESCRIPTION

BS 93:1951


This standard BS 93:1951 Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A. is classified in these ICS categories:
  • 21.040.30 Special screw threads

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.
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