EXACT Tap Set, 1/2-20 UNF Thread, UNF Standard - 01545

DIN 351. Manual tap sets, 2-part, UNF. HSS-G manual tap with straight flute, profile ground and relief ground Two-part sets with one taper and one plug tap in each size For UNF unified fine threads, tolerance 2B Square stem Tap wrench available under order no. ; 508-9389 508-9389 ff.