3/4-20 HSS Tap And Die Set， UNEF Machine Thread Tap And UNEF Round Thread Die Right Hand

Size : 3/4"-20 thread tap and thread round die , Pitch:20 , Material : HSS., Tap : Chip removal, high efficiency, debris rapidly discharged in the tank. No blocking, fast efficiency., Round Die: Not easily broken tooth chip fast, abrasion resistance and long service life., HSS tap offers precision cut threads, accurately formed for consistent, exact threading., Advantage : Heat treated and tempered for file hard threads and a long, useful life.