Dormer Pramet A117 5.50 mm HSS-E STRAIGHT SHANK STUB DRILL DIN 1897

The Dormer Pramet A117 5.50 mm HSS-E Straight Shank Stub Drill (DIN 1897) is a precision drilling tool designed for metalworkers, machinists, and DIY enthusiasts who need reliable, clean holes in tough materials. Its straight shank and DIN 1897 compliance ensure broad compatibility with a wide range of drill chucks and machines, delivering dependable performance in everyday projects and demanding jobs alike.

Built for challenging materials, this 5.50 mm drill features a 135-degree split point for self-centering starts and reduced push force, a bronze oxide finish to minimize material buildup on the cutting edge, and a premium HSCO composition that can handle hard materials including tool steel. The heavy-duty design ensures durability in difficult materials and applications, making it a trusted choice for prolonged use in workshops and on job sites.

• 135° Split Point for Self-Centering and Reduced Push Force: The split-point geometry starts holes quickly and centers itself, minimizing wandering and making initial drilling easier, especially in harder alloys.
• Bronze Oxide Finish for Reduced Material Sticking: The bronze oxide coating helps prevent workpiece material from sticking to the edge, promoting cleaner cuts and extending edge life.
• Premium HSCO Material for Drilling Hard Materials: Coated with cobalt-enriched HSCO capabilities, this drill handles hard materials (including tool steel) with steady performance and improved wear resistance.

With these features, the drill delivers accurate hole sizes and smooth finishes while withstanding tough drilling tasks. Its robust construction supports consistent performance across jobs, reduces rework, and helps you complete projects faster with greater confidence—whether you’re working in a professional shop or tackling a home workshop project.