Qualtech

16 Piece NF HSS Round Tap and Die Set (1/4" - 3/4") with 1-1/2" OD Round Dies and Handles 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20, 9/16"-18, 5/8"-18, 3/4"-16 UNF. About High Speed Steel Plug...

Withworth British Standard Taps

16 Piece NC HSS Round Tap and Die Set (1/4" - 3/4") with 1-1/2" OD Round Dies and Handles 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11, 3/4"-10 UNC. About High Speed Steel Plug...

21 Piece NC HSS Round Tap and Die Set (1/4" - 1/2") with 1-1/2" OD Round Dies and Handles 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11, and 3/4"-10 UNC. About High Speed Steel...

Withworth British Standard Taps

22 Piece NC/NF HSS Round Tap and Die Set (1/4" - 1/2") with 1" OD Round Dies and Handles 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14 and 1/2"-13 UNC. 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, and 1/2"-20 UNF...

Withworth British Standard Taps

30 Piece NC NF HSS Round Tap and Die Set (1/4" - 3/4") with 1-1/2" OD Round Dies and Handles UNC (Coarse Thread): 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11, and 3/4"-10. UNF...

Withworth British Standard Taps

39 Piece NC NF HSS Round Tap and Die Set (#4 - 1/2") with 1" OD Round Dies and Handles UNC (Coarse Thread): #4-40, #6-32, #8-32, #10-24, #12-24, 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, and 1/2"-13. UNF...

Withworth British Standard Taps

41 Piece NC NF HSS Round Tap and Die Set (1/4" - 3/4") with 1-1/2" OD Round Dies and Handles UNC (Coarse Thread): 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13, 9/16"-12, 5/8"-11, and 3/4"-10. UNF...