Dormer Pramet A117 7.50 mm HSS-E STRAIGHT SHANK STUB DRILL DIN 1897

The Dormer Pramet A117 7.50 mm HSS-E Straight Shank Stub Drill (DIN 1897) is a compact, high-performance drill bit designed for metalworking tasks where precise, clean holes matter. It’s ideal for engineers, fabricators, and hobbyists who need reliable performance in hard materials, with compatibility for standard drill chucks and tooling setups.

Equipped with a 135° split point for self-centering and reduced starting force, a bronze oxide finish to minimize sticking, and a robust HSCO composition, this stub drill is built for accuracy and durability in demanding applications— including tool steel.

• 135° Split Point for Self-Centering and Reduced Start Force: Starts holes cleanly with less effort, improving accuracy and reducing wandering during initial contact.
• Bronze Oxide Finish for Reduced Sticking: Prevents workpiece material from sticking to the cutting edge, helping maintain a sharp cut and cleaner holes.
• Premium HSCO Material with Heavy-Duty Design for Hard Materials: Suitable for drilling hard metals, including tool steel, with a robust construction designed for tough, ongoing use.

This drill delivers consistent hole quality and reliable performance across demanding metalworking tasks. The straight shank and DIN 1897 format ensure secure, quick fitting in standard tooling, helping you maintain workflow efficiency and finish projects with confidence.