These solid (not coated) cobalt drill bits retain their hardness up to 1000 degrees Fahrenheit making them ideal for drilling cast iron, heat-treated steel, stainless steel and other hard materials. Each of these 115 cobalt drill bits comes organized in a metal indexed storage case. With aggressive 135 degree tips, these cobalt drills bits not only last longer but also cut faster than your standard high speed steel bits! Solid cobalt steel bits last longer, cut faster than high speed steel. 29 fractional sizes: 1/16 in. 26 letter sizes: A-Z. 60 numbered wire gauges:1 to 60. Retains hardness at temperatures up to 1000° F. We strive to provide excellent customer service for all buyers around the world! The item “115 PC INDUSTRIAL COBALT LETTER NUMBERED DRILL BIT SET WITH INDEXED STEEL CASE” is in sale since Saturday, September 05, 2015. This item is in the category “Home & Garden\Tools\Power Tools\Drill Bits”. The seller is “longuysworld” and is located in Amarillo, Texas. This item can be shipped worldwide.

• Brand: warior
• MPN: 115 Pc Cobalt Drill Bit Set
• Model: 115 Pc Cobalt Drill Bit Set