Dormer Pramet A117 4.00 mm HSS-E STRAIGHT SHANK STUB DRILL DIN 1897

The Dormer Pramet A117 4.00 mm HSS-E Straight Shank Stub Drill (DIN 1897) is a compact, dependable drill designed for precise metal drilling. Its straight shank fits most standard chucks, making it a versatile choice for workshops, maintenance teams, and hobbyists alike.

Engineers, machinists, and tradespeople rely on its 4.00 mm diameter for clean, accurate holes in a range of materials. Key features include a 135-degree split point for self-centering, a bronze oxide finish to prevent sticking, premium HSCO material for drilling hard metals such as tool steel, and a rugged heavy-duty design built for demanding applications.

• 135° Split Point: Self-centering start reduces drift and lowers the push force required, delivering cleaner holes with less effort.
• Bronze Oxide Finish: Reduces friction and prevents workpiece material from sticking to the cutting edge, helping edge life and smoother cuts.
• Heavy-Duty Design: Built to withstand tough materials and demanding applications, delivering reliable performance and consistent hole quality over time.

With this drill, you gain consistent hole quality, quicker material penetration, and fewer reworks in hard metals. The combination of precise point geometry, durable finish, and rugged construction supports faster setup, reduced downtime, and improved results across a wide range of projects—from tool steel to high-strength alloys—making it a dependable tool in any metalworking toolkit.