Dormer Pramet A266 4.00 mm x 10.00 mm HSS-E TIALN METRIC 60DEG CENTRE DRILL DIN 333A

Designed for precision center drilling on shafts, the Dormer Pramet A266 centre drill offers durable performance for CNC and conventional machines. With a 4.00 mm x 10.00 mm size, TiAlN coating, and a 118° pilot with a 60° cone, it delivers reliable centered holes for secure chucking.

• Diameter x Length: 4.00 mm diameter with 10.00 mm drill length for standard centre drilling applications
• Tip geometry: 118° pilot and 60° centre drill cone to create accurate, concentric centre holes
• Material: Premium HSS-E for improved strength and wear resistance across common metals
• Coating: Titanium Aluminium Nitride (TiAlN) coating extends tool life and enhances performance on harder materials
• End design: Double-ended construction provides two usable drilling ends for increased productivity
• Standards: DIN 333A compliance ensures reliable interchangeability with standard centre drilling tooling
• Applications: Ideal for creating centre holes on shafts to enable secure holding in chucks or fixtures
• Machining compatibility: Suitable for use in both CNC and conventional machines
• Material versatility: Effective for drilling steel, aluminium, stainless steel, and a range of common metals

This centre drill is built to reduce setup time and extend tooling life while delivering precise centering. The TiAlN coating minimizes wear in demanding materials, and the double-ended design helps you maximize uptime by enabling quick end-to-end usage. Whether you’re preparing shafts for precision turning or ensuring consistent alignment in fixtures, this drill delivers dependable performance with every hole.