M42 Cobalt Drill Bit Set 13-Piece Metric 1.5-6.5mm Twist Drill Bits 8% Cobalt 135 ° Split Point for Stainless Steel and Metal

M42 8% Cobalt Drill Bit Set 13 Precision Sizes for Stainless Steel, Cast Iron and Other Tough Metals Made from M42 cobalt alloy with 8% cobalt content, these drill bits provide excellent hardness, heat resistance, and wear resistance for demanding metal drilling applications. The cobalt-enhanced construction helps maintain stable cutting performance at high temperatures and supports a longer service life. Featuring a precision split point tip, the drill bits help reduce walking and support accurate hole positioning with clean, consistent results. Designed for stainless steel, cast iron, alloy steel, and other tough metals, this 13-piece set includes a practical range of sizes for workshops, maintenance work, and DIY projects.