IRWIN 63112ZR 3/16-Inch Cobalt Alloy Steel, 135-Degree, Jobber Length Drill Bit, Pack of 12 Replacement Parts 5 screw extractors

5 screw extractors

Expertly machined serrations on the round face

3/16-Inch diameter stroke for swirl free finish

NewSurface Drive Technology Reduces Fastener Rounding Chamfered Opening to Guide Fastener Into Socket Large Hard-Stamped Size Identification Double Line (SAE) and Knurled (Metric) Ring to Easily Identify Standard vs

IRWIN 63112ZR 3/16-Inch Cobalt Alloy Steel, 135-Degree, Jobber Length Drill Bit, Pack of 12 Replacement Parts 5 screw extractorsM 35 Cobalt Alloy Steel Construction for Durability in abrasive materials 135 Degree split point tip for reduced bit walking Straight shank works in both keyed and key less drill chucksThe Irwin Tools 63112ZR 3 16 Inch Cobalt 135 Degree Jobber Length Bulk Pack of 12 is made of M35 Cobalt Steel. The cobalt steel helps discipate heat, which is the killer of all drill bits, providing it with longer life and more durability. The cobalt construction allows