BOSCH CO2142 1-Piece 15/64 in. x 3-7/8 in. Cobalt Metal Drill Bit for Drilling Applications in Light-Gauge Metal, High-Carbon Steel, Aluminum and Ally Steel, Cast Iron, Stainless Steel, Titanium

BOSCH CO2142 1-Piece 15/64 in. x 3-7/8 in. Cobalt Metal Drill Bit for Drilling Applications in Light-Gauge Metal, High-Carbon Steel, Aluminum and Ally Steel, Cast Iron, Stainless Steel, Titanium

• Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
• Rigid, thick web design adds stability to bit in tough applications
• Surface hardened to penetrate tough abrasive materials
• Available in jobber length, full shank
• Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium

Bosch CO2143 1/4" Cobalt Drill Bit. Cobalt formulation provides overall bit hardness of 66-68 HRC for penetration of very tough abrasive materials. Able to withstand very high temperature drilling applications for extended periods of time. Under high drilling temperatures bits stay sharper longer than standard HSS. Thicker web increases rigidity in hard materials. 135 degree split point starts drilling on contact. No walking or skating