BB Step Drill 90 Degree 180 CNC Precision Solid Carbide Drilling Tools DLC Coated Screw Hole 硬质合金铣刀 we hope that the cutting

we hope that the cutting edge can cut into the workpiece before the drill tip

Rotary Broach Hexagon

Lathe Machining Center

stars or other special shapes

and saves production time

BB Step Drill 90 Degree 180 CNC Precision Solid Carbide Drilling Tools DLC Coated Screw Hole 硬质合金铣刀 we hope that the cuttingExample 1x5xD4x10x50 d=1mm, L1=5mm,D2=4mm,L2=10mm,Overall Length=50mm Once Formed Drilling+Chamfering The blade edge is sharp without burrs, easy chamfering Greatly improves work efficiency. Solid Carbide Bars High Hardness High Wear Resistance A specialized tool for high hardness and high speed cutting applications with higher wear resistance and strength Nano Diamond Coating Enhance tool hardness and service life, improve machine tool productivity,