compatible fit in common toolholders while offering durable edge retention for repeated use
2-flute design for smooth contours: Ball end geometry with a 2-flute configuration delivers clean curved surfaces and efficient chip evacuation
this insert delivers dependable performance across a broad range of thread standards
and electronics where tight tolerances and clean surfaces matter
Ergonomics: Ergonomic design provides a comfortable grip and precise control
Dormer Pramet R458 45/64 Inch CARBIDE TIALN FORCE-X STEPPED SHANK SHORT SERIES (X3D) DRILL DIN 6537 K Shrink Fit Holders compatible fit in common toolholdersThe Dormer Pramet R458 carbide drill is a 45 64 inch diameter, short series tool with a stepped shank designed for DIN 6537 K holders. Built for engineers, tradespeople, hobbyists, and professional shops, it delivers precise, reliable hole making across common metals, including steel, aluminum, and stainless steel. The combination of a 140 four facet split point, TiAlN coating, and a premium carbide core helps start cleanly and maintain performance