This 8.7mm 2-edge customized carbide step drill adopts internal cooling structure and is specifically designed for efficient drilling of aluminum alloy and other soft metals.

The tool substrate is made of ultra-fine grain carbide, processed through AMG's advanced precision grinding technology, and features excellent cutting performance and wear resistance, enabling stable, efficient, in high-speed CNC machining.

Specification Table:

Advantages:
✅ AMG precision grinding guarantees dimensional accuracy and sharp cutting edges
✅ Internal coolant system enhances chip evacuation and reduces heat during drilling
✅ Step drill design allows efficient multi-diameter machining in a single operation
✅ Produces no burr, high-quality holes in aluminium and soft metals
✅ Ultra-fine carbide ensures long tool life and stable performance in high-speed CNC machining
✅ Smooth chip removal reduces downtime and increases productivity

Detailed pictures

Drawing

Our factory:

Q1: Is this drill suitable for high-speed drilling of aluminium and copper?
A1: Yes, it is designed for high-speed CNC machining of aluminium, copper, brass, and other soft metals with excellent chip evacuation.

Q2: What is the benefit of the internal coolant system?
A2: It reduces heat, prevents chip sticking, and flushes chips effectively, extending tool life and maintaining machining accuracy.

Q3: Can AMG customize the step dimensions?
A3: Yes, AMG offers full customization of step sizes, coatings, and shank diameters based on your specific application needs.

Q4: How does AMG ensure product quality?
A4: AMG uses a strict 4-step inspection process: raw material verification, tolerance checks post-grinding, dimensional inspection, and final appearance inspection post-coating.