HSS drill bit. High speed drills feature premium high speed steel and duotone finish for fast chip removal in wood, metal and plastic. No center punch needed: Century quick-cut points are self-centering and penetrate faster with less pressure...will not walk or wander at the staring surface. Reduced 3/8 shank fits all 3/8 or larger chucks. Set includes: 1/16 to 3/8 by 64ths. Product Features:Designed for general purpose use in wood plastic plaster and soft metalPremium high speed steel and duotone finish for fast chip removal21 piece set includes drill bits measuring 1/16-Inch to 3/8-Inch by 64thsHigh Speed Steel drill bits offer a 2 times life rating when compared to standard 118 degree point drillsCentury 135 degree Quick Cut Points are self-centering and penetrate faster with less pressure
