BS 93:1951

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

BSI Group , 05/25/1951

$95.00 $190.50

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. Cross References:BS 919BS 1044BS 1580BS 3643:Part 1 BS 3643:Part 2Handbook No. 18