Dormer Pramet A321 10.30 mm HSS ST/BR TRI-FLAT SHANK INTERMEDIATE LENGTH MECHANICS DRILL

The Dormer Pramet A321 10.30 mm HSS Tri-Flat Shank Intermediate Length Mechanics Drill is a versatile high-speed steel tool designed for strength, durability, and precise drilling in a variety of materials. Featuring a tri-flat shank, it delivers a secure grip in drill chucks to minimize slippage and ensure clean starts. Its intermediate length provides a practical balance of rigidity and reach, making it suitable for a wide range of general-purpose drilling tasks, including steels and non-ferrous metals.

Engineers, machinists, buyers, and hobbyists alike will appreciate the drill’s polished finish that reduces friction and enhances chip evacuation, helping maintain steady feeds and cooler operation. The A321 is built for reliable performance in demanding environments, delivering consistent results from prototyping through production runs.

• Secure tri-flat shank for reliable grip: Tri-flat geometry locks firmly in chucks, minimizing slip and improving hole start accuracy for repeatable results.
• Intermediate length for balance of reach and rigidity: Provides enough length to reach deeper holes while preserving stiffness, reducing deflection and chatter during cutting.
• Polished HSS finish for smooth cutting and chip evacuation: Low-friction surface aids chip removal and heat management, boosting tool life and hole quality on steels and non-ferrous metals.

This drill helps you streamline workflows with dependable performance, fewer re-drills, and longer tool life. Its thoughtful balance of geometry, finish, and material makes it a trustworthy choice for professionals and enthusiasts pursuing accurate, efficient drilling across a broad set of applications.