Cobalt Twist Drill Bits Set for Stainless Steel & Hard Metal (1mm-10mm)

Quick Facts

Premium M42 Cobalt Steel Drill Bit, 8% Cobalt Content, 68-70 HRC (Rockwell Hardness Scale)

This cobalt drill bit is perfect for cutting through stainless steel, hard metals, aluminum, and plastic. Thanks to its superior heat, wear, and chip resistance, this tool offers unmatched durability and longevity.

Three-Step Design for Fast, Efficient Cutting Our 3-step design allows for rapid cutting through tough materials, making it incredibly efficient. This bit is capable of drilling up to three to five times faster compared to traditional bits, saving you both time and effort.

Lowest Cost Per Hole with Cobalt Drill Bits Despite the higher initial cost, using a cobalt drill bit can ultimately provide the lowest cost per hole. This is because it produces a significantly higher number of holes, reducing your overall expenditure.

Sufficiently Sharp Bit Edge for Smooth Cutting With a sharp bit edge, this drill bit can cut metal material into long strips of iron chips, providing a much smoother and faster drilling experience than using a blunt drill bit. This ensures you have cleaner and more precise holes.

Comprehensive 19Pcs Kit for All Your Needs Our kit includes 19 pieces of 135° split point drill bits, with diameters ranging from 0.5mm to 10mm in 0.5mm increments. Each bit is precisely measured to fit different drilling needs.

Whether you’re a professional in the metalworking industry or a DIY enthusiast, this premium cobalt drill bit will meet your high demands for durability and efficiency.