WD10290IN-29PCS Roll forged Twist Drill Bits Inch size

WD10290IN-29PCS Roll forged Twist Drill Bits Inch size

ANSI B94.11M jobber length roll forged twist drill bits with black oxide surface treatment, 135 degree point

Hot roll-forged flute with special heat treatment gives additional toughness with increased durablity of the drill bit

Black oxide finished surface for greater resistence to wear

Ideal for drilling on mild steel, copper, aluminium, zinc alloy etc.

parallel shank

metal box packing

Drill bits made from high speed steel

Contents:

1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4",17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2"