Dormer Pramet R520 3.80 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 Grooving Inserts improving first-pass accuracy and minimizing

improving first-pass accuracy and minimizing wandering on tough materials

then progressively increase cutting depth in a steady

streamlining inspections and reducing setup time

it combines robust HSS-E (M35 cobalt) with a stub form for accurate guidance in shallow bores

Left-hand spiral flute with right-hand cutting: Optimizes chip control and cutting action for a clean finish and predictable performance across applications

Dormer Pramet R520 3.80 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 Grooving Inserts improving first-pass accuracy and minimizingThe Dormer Pramet R520 3. 80 mm carbide TiN CDX straight shank stub drill is a durable, precision engineered cutting tool designed for metalworking professionals and hobbyists alike. With a 3. 80 mm diameter and a DIN 6539 straight shank, it delivers consistent performance across a range of materials, including steel, aluminium, and stainless steel, for reliable hole quality in both small batch and production setups. 130 Degree Point: Self centering