29 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/2" with 3/8" Shank, D/ADCO Series - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files Head Length: 1"

Head Length: 1"

Size: 2-1/4"-8

Drill America - 1-5/8 HSS Heavy Duty Split Point Stub Drill Bit

Size: m26 x 1

29 Piece Cobalt Jobber Length Drill Bit Set, 1/16" - 1/2" with 3/8" Shank, D/ADCO Series - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files Head Length: 1"Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. These drill bits are jobber (standard) length with a round shank for use in a wide range of tool holding systems. They have a 135 split point tip for fast penetration and accurate drilling. Compared