Specifies limits of sizes for tapped holes to accommodate wire to provide ISO metric thread sizes from M2 to M39 diameter inclusive. Recommends screwing taps and also a gauging system for checking the tapped holes.

Original price was: $264.16.$132.00Current price is: $132.00.
Specification for the tapping of holes to receive wire thread inserts (ISO metric threads)
BSI Group , 04/30/1980
