Dormer Pramet R454 6.30 mm CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L M&D Design: Spade drill insert geometry

Design: Spade drill insert geometry optimized for high-speed drilling

and tighter tolerances in turning work

well-formed edges and geometry deliver clean hole starts and reliable performance across steels

25 threads in engine blocks

repeatable engagement in standard tooling setups

Dormer Pramet R454 6.30 mm CARBIDE TIALN FORCE-X STEPPED SHANK STANDARD SERIES (X5D) DRILL DIN 6537 L M&D Design: Spade drill insert geometryThe Dormer Pramet R454 6. 30 mm carbide drill is a high precision cutting tool designed for metalworking professionals and serious hobbyists who require reliable, repeatable holes. Its 140 four facet split point starts cutting cleanly, self centers the bit, and reduces the push force needed to begin drilling, helping you achieve accurate starts. Built from premium carbide and coated with Titanium Aluminium Nitride (TiAlN), this drill delivers longer