BB Step Drill 90 Degree for Steel CNC Precision Solid Carbide Drilling Tools Coated Screw Hole BB2055

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

Blade Nano Diamond Coating

Aluminum Processing
Strong Thermal Insulation Coating
Nano Crystal
Strong and Tough Base Film
Enhance tool hardness and service life, improve machine tool productivity, and save manufacturing time
Suitable for aluminum alloys, aluminum materials, copper materials, PC, acrylic organic glass, etc

Two-Level Stepped Spiral Groove

First-Level Cutting Edge
Second-Order Cutting Edge
No burrs, non-stick Cutter, significantly improve production efficiency Optimized thread design for smooth chip evacuation.

Processing Method
90 Degree Chamfer Optional

A Support A Box Independent Packaging

Applicable Models

Suitable for high-speed machine tools such as CNC machining centers, engraving machines, precision engraving machines, etc