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Cobalt Jobbers (29 Pcs - Set)

Cobalt Jobbers (29 Pcs - Set)

A & S Aluminum Store

  • $ 8286


Cobalt Drill Bit Set !

Cobalt Drill Bit Set contains 29 jobber (standard) length M42 cobalt drill bits from 1/16 in. to 1/2 in. (1/64 in. increments). Heavy Duty 135 Split Point, Cobalt Steel, Jobber Length, manufactured to National Aerospace standard 907. These drill bits display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel, and are especially effective in drilling tough, high tensile strength materials like stainless steel, inconel, and titanium. The 135 split point is self-centering and reduces thrust. Drill set comes in a rust resistant, water and shatter proof BIT Cooler case, Premium Grade Steel.

Sizes included in the set: 1/16 in., 5/64 in., 3/32 in., 7/64 in., 1/8 in., 9/64 in., 5/32 in., 11/64 in., 3/16 in., 13/64 in., 7/32 in., 15/64 in., 1/4 in., 17/64 in., 9/32 in., 19/64 in., 5/16 in., 21/64 in., 11/32 in., 23/64 in., 3/8 in., 25/64 in., 13/32 in., 27/64 in., 7/16 in., 29/64 in., 15/32 in., 31/64 in. and 1/2 in.


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