BB Step Drill 90 Degree 180 CNC Precision Solid Carbide Drilling Tools DLC Coated Screw Hole

Example

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, and save manufacturing time
DLC Coating：Aluminum Processing
Specular Highlights：Aluminum Processing

Two-Level Stepped Spiral Groove

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

Precision Grinding of the Cutting Edge

Sharpening and strong resistance to breaking，
Fully ground cutting edge for longer lifespan

A Support A Box Independent Packaging

High quality plastic packaging provides better protection for cutting tools from damage

Processing Method 90 Degree Chamfer Optional

High quality plastic packaging provides better protection for cutting tools from damage

Applicable Materials

Suitable for aluminum alloys, aluminum materials, copper materials, PC, acrylic organic glass, etc

Applicable Models

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