M35 Cobalt Two Stage Step Drill Bit With Counterbore And Countersink For Stainless Steel Pro Grade Drill Bit High Speed Hole Drilling Durable Spiral Flute Easy Chip Removal Universal Round Handle

High speed M35 cobalt two stage drill with countersink
✔️ 1pc pack: two-stage M35 cobalt drill with countersink

This industrial two-stage drill bit uses M35 cobalt-infused HSS for high heat and wear resistance, ideal for stainless steel and tough metals. It features a countersink that creates clean, ready-to-use holes for CNC machines and bench drills.

✅ Material: M35 HSS cobalt for high temperature and wear resistance
✅ Design: two-stage drill with counterbore and countersink for clean holes
✅ Geometry: fully ground spiral cutting edge for fast chip removal
✅ Angle: 135° rear angle ensures accurate positioning
✅ Handle: universal round grip prevents slipping during use
✅ Sizes: M12 to M3 options with OD dimensions 14x20 mm (0.55x0.79 in) to 3.4x6.5 mm (0.13x0.26 in)

💡 What is a two stage cobalt drill bit used for in metalworking and why choose M35 cobalt? This handy setup speeds up drilling in hard materials. - Enhanced high temperature resistance helps with stainless steel - Two-stage design reduces wandering and improves hole quality - Cobalt alloy extends bit life in tough metals - Works with CNC mills and bench drills in shop settings