Century Drill & Tool Sae Tap & Die Set (12-piece)

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.