Dormer Pramet R454 4.20 mm CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L Grooving Inserts delivering reliable performance on every

delivering reliable performance on every run

and a robust carbide core translates to smoother surface finishes and higher‑precision results

delivers precise bore finishing with reliable consistency

enhanced chip evacuation

Three-flute geometry for fast

Dormer Pramet R454 4.20 mm CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L Grooving Inserts delivering reliable performance on everyThe Dormer Pramet R454 4. 20 mm carbide drill is a high performance cutting tool designed for precise, reliable hole drilling across a range of metals. With a 4. 20 mm diameter and a DIN 6537 L shank in the Standard Series (X5D), its ready for demanding tasks in workshops, fabrication shops, and DIY projects where consistent hole quality matters. A combination of a 140 four facet split point, a TiAlN coating, and a CTW flute design delivers self