They are for use in a wide range of materials such as aluminum, brass, copper, metal, plastic and wood.
1-9/16"-12 UNS HSS Plug Tap and 1-31/64" HSS 1/2" Shank Drill Bit Kit Tap Information: Drill America DWT Series Hand Plug Taps are used to make new threads or re-thread damaged and/or jammed threads. Hand Taps are the most versatile taps for hand use and are popular for general machine tapping. They are surface treated with abrasion-resistant black oxide and made of high speed steel with a 118̡̉ conventional point. Drill America Tap and Drill Bit Kit in Pouch Case.