Description:

Drills and Taps in a singles pass up to two times the tdiameter. Point is self-centering and eliminates the need for center drilling or center punching. Can be used on multi-spindle heads with reversing mechanisms in most materials. Features: High Speed Steel / Ground Thread TSize:1/2"-20 H3 x 1-3/8" Thread Length Drill Size:. 4580" Diameter x 1-1/8" Long Overall Length: 4-1/16".