Century's 12 Piece Fractional Tap & Drill Set features precision cut threads, accurately formed for consistent, exact threading

Heat treated and tempered for file hard threads, and longer, useful life

Desgiend for hand cutting applications

Dies are 1" across the flats

Set includes: 1/4-20 NC, 5/16-18 NC, 3/8-16 NC, 7/16-14 NC, and 1/2-13 NC plug taps and 1" AF dies; 1" die stock, 1/4"-1/2" t-handle tap wrench