Irwin® Cobalt HSS 15 pcs Drill Bit Set has a sliding latch design.Irwin® Straight shank grade heavy duty drill bit set features cobalt high speed steel construction for toughness and enhanced durability. Drill bit set contains bits of dia 1/16" - 3/8" and has 135 deg split point tip to offer smooth/clean drilling.
Type: Grade heavy duty, jobber length
Bit diameter: 1/16 - 3/8 in
Shank type: Straight
Material: Cobalt high speed steel
Point angle: 135 deg
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-deg split point reduces feed pressure for easier penetration without work hardening
Available with a variety of drill bit types and piece count configurations; Meets National Aerospace Standards (NAS) 907, Type J
Usage for high temperature alloys, hi-tensile malleable cast iron, stainless steel, titanium alloys and unalloyed nickel
Includes (2) 1/16 in, 5/64 in, (2) 3/32 in, 7/64 in, (2) 1/8 in, 9/64 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in, 5/16 in and 3/8 in
Durable rubber-sided case for added impact resistance
Available with a variety of drill bit types and piece count configurations
Meets National Aerospace Standards (NAS) 907, Type J