Specifies limits of size for tapped holes to accommodate wire thread inserts to provide thread sizes from 3/16 in to 1½ in UNC inclusive and from 3/16 in to 1 in UNF inclusive. It includes recommendations for general dimensions and limits of size on the threaded portion of screwing taps intended to produce holes to the limits specified, together with details of a recommended gauging system for checking them.Cross References:BS 919:Part 1BS 949BS 1044BS 1580
BS 3409-1:1961
Original price was: $190.50.$95.00Current price is: $95.00.
Specification for the tapping of holes to receive wire thread inserts (UNC and UNF threads)-Diameters ¼ in and over
BSI Group , 08/16/1961
Pages: 20
