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. 


 

Changzhou AMG Precision Tool Manufacturing Co., Ltd. is a manufacturer specializing in the production of solid carbide cutting tools, including end mills, drills, reamers and customized non-standard tools. We are equipped with advanced German Walter grinders and Zoller measuring instruments to ensure that each product has excellent precision and consistency.

 By sourcing premium quality carbide rods from leading national and international suppliers and adhering to stringent quality control standards, we meet the most demanding industrial requirements.

AMG Precision is committed to innovation and excellence, providing high-performance cutting solutions for a variety of processing applications.