AMG Step Drill with Fixed Shank – High-Precision Multi-Diameter Drilling Solution

The AMG fixed-shank step drill is a multifunctional solid carbide drill specially developed for multi-diameter hole processing, and high-precision drilling. Featuring an integrated step design, it can complete multiple diameter holes in a single feed, significantly improving machining efficiency . This tool is widely used in mechanical processing, mold manufacturing, aerospace components, automotive parts, and electronic equipment.

Manufactured from premium ultra-fine grain carbide, the AMG step drill offers excellent wear resistance and fracture toughness. Combined with high-precision CNC grinding and advanced coating technologies such as TiAlN and DLC, it delivers outstanding stability and cutting performance at high speeds. The fixed shank design ensures stable clamping, making it especially suitable for CNC machining centers and CNC drilling and milling machines.

Applications:

• Multi-diameter one-pass drilling

• Internal step forming and deburring

• Drilling of electronic and electrical equipment housings

• Automotive engine housings and mold structural parts

Specifications :

Working Principle:
The AMG fixed-shank step drill employs an integrated multi-step geometry to simultaneously form multiple hole diameters in a single drilling operation. The fixed shank design ensures high coaxiality and low runout, effectively reducing tool changes and repositioning, thereby greatly improving production efficiency and assembly accuracy.

Customer Key Advantages:

• High hole position accuracy, ideal for dense housings and multi-step structures

• Smooth surface finish, reducing post-processing and chamfering work

• Excellent edge stability with wear-resistant carbide and advanced coatings

• Consistent hole diameter and step size across multiple workpieces

• Strong customization capability to meet non-standard structures and multi-material applications