30 Piece NC NF HSS Round Tap and Die Set (1/4 - 3/4) with 1-1/2 OD Round Dies and Handles BoltsandNuts.com Part Number D/ACO13/32

Part Number D/ACO13/32

Tap Drill Size 61/64"

Part Number D/A3F3/4

The shape of the head is also optimized for access and strength while also preventing jaw spread

Part Number DMOD20

30 Piece NC NF HSS Round Tap and Die Set (1/4 - 3/4) with 1-1/2 OD Round Dies and Handles BoltsandNuts.com Part Number D/ACO13/32Product Description About High Speed Steel Plug Taps: Used to make new threads or re thread damaged and or jammed threads. Hand taps are the most versatile taps for hand use, or for tapping under power. Hand taps are popular for use in general machine tapping or CNC tapping. They are also appropriate for tapping the vast majority of materials in through or blind holed conditions. Plug style taps are generally used in thru holes. About High Speed Steel