Century Tools (Cobalt) Drill Bit Set — 21 Piece, 1/16-inch Diameter to 3/8-inch Diameter |
M42 cobalt high–speed steel withstands drilling temperatures of 1250° without fatigue; drills through hard materials such as stainless steel and other heat–treated or high–alloy metals. 135° quick–cut point. Surface–treated straw gold color. Meets Aerospace NAS 907–J specifications. Includes metal index box. U.S.A. 21 pieceSizes: 1/16 in. to 3/8 in. by 64ths More details and price |
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