21 Piece HSS Drill Bit Set High speed drill bits feature premium high speed steel and a duotone finish for fast chip removal in wood, soft metal, plastic, and plaster. No center punch needed: Century’s 135° quick-cut points are self-centering and penetrate faster with less pressure. Drill bit will not “walk” or “wander” at the starting point. Reduced 3/8″ shank fits all 3/8″ or larger chucks. Set includes: 1/16″ to 3/8″ by 64ths drill bits.
