It has a standard length and a 30
making it suitable for toolmakers
Standard: DIN 212‑B for consistent interchangeability
it delivers consistent hole size and surface finish
ISO H5 tolerance: Finishes holes to tight size control with a precise -0/+0
Dormer Pramet R510 9.50 mm CARBIDE TiN CDX STRAIGHT SHANK JOBBER DRILL DIN 338 ISO Insert - KN Style It has a standard lengthThe Dormer Pramet R510 9. 50 mm carbide drill is a straightshank, DIN 338 jobber drill designed for reliable, highquality hole making across a range of metals. With a 130 point, TiN coating, and convex cutting edges, it starts true, reduces start resistance, and maintains control through the cutmaking it a versatile choice for engineers, machinists, and hobbyists who demand consistent results. 130 point for self centering and reduced push force: Helps