Drill Bits Drill America 9/16 In. – 1 In. M42 Cobalt Reduced Shank Drill Bit Set (5-Piece)

Drill America D/ACO Cobalt Reduced Shank Drill Bit. D/ACO cobalt drill bits are made of heat resistant M42 cobalt. They are ground to a heavy-duty 135 split point. They are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys.

• Sizes included are 9/16 in., 5/8 in., 3/4 in., 7/8 in. and 1 in. with 1/2 in. reduced shanks
• Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
• Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel
• Manufactured to National Aerospace standard 907
• 135 split point is self-centering and reduces thrust
• All drills have 3 in. flute length and 6 in. overall length for minimal adjustment during tool changes
• Expand the size range capacity of a portable drill chuck

 WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov