this tool supports tight manufacturing tolerances and high-precision assemblies
1 mm in standard stock for quick
The collet uses a non-overlapping slot pattern at the center to prevent coolant loss
Ground profile for high precision: The inserts are ground to tight tolerances
Diameter Range Availability: Whole range of insert diameter from 10 to 32 mm
Dormer Pramet A520 10.10 mm HSS TiN ADX STRAIGHT SHANK STUB DRILL DIN 1897 Morse Taper this tool supports tight manufacturingThe Dormer Pramet A520 is a 10. 10 mm diameter HSS TiN coated straight shank stub drill (DIN 1897) built for reliable, repeatable hole making across a wide range of materials. Designed for engineers, machinists, tradespeople, and hobbyists alike, it delivers clean starts, accurate holes, and long service life in everyday workshop drilling. With a 130 thinned point, the drill starts holes with minimal wandering and reduces the push force required,