Dormer Pramet R458 7.80 mm CARBIDE TIALN FORCE-X STEPPED SHANK SHORT SERIES (X3D) DRILL DIN 6537 K T-Slot Inserts helping you maintain consistent tolerances

helping you maintain consistent tolerances across parts and reducing the need for secondary finishing

and long life in metal-to-metal cutting

back off periodically to clear chips from the flutes

more consistent bore finish with reduced chatter

Overall length: 140 mm for extended reach into deep holes and tight spaces

Dormer Pramet R458 7.80 mm CARBIDE TIALN FORCE-X STEPPED SHANK SHORT SERIES (X3D) DRILL DIN 6537 K T-Slot Inserts helping you maintain consistent tolerancesThe Dormer Pramet R458 is a 7. 80 mm carbide drill designed for precise, reliable hole making across steel, aluminum, and stainless steel. It features a short FORCE X stepped shank (X3D) and is compatible with DIN 6537 K tooling for secure, stable performance in common chucks and fixtures. With a 140 degree four facet split point for self centering entry, it reduces starting push force and helps prevent wandering. The TiAlN coating extends tool life