Dormer Pramet R459 4.30 mm CARBIDE TIALN FORCE-X STEPPED SHANK LONG SERIES (X8D) DRILL Shrink Fit Holders and greater confidence in every

and greater confidence in every micro‑scale milling operation

while the H4/ISO tolerance ensures tight

accurate holes in steels

while the carbide construction and multi-flute geometry promote long tool life and excellent chip control

Dormer Pramet R459 4.30 mm CARBIDE TIALN FORCE-X STEPPED SHANK LONG SERIES (X8D) DRILL Shrink Fit Holders and greater confidence in everyThe Dormer Pramet R459 4. 30 mm carbide drill is a high performance tool designed for professionals, fabricators, and DIY enthusiasts who need precise, repeatable holes in steel, aluminum, and stainless steel. Its robust carbide construction and long series stepped shank provide stability and accuracy even in demanding drilling tasks. Built for speed and durability, it combines optimized geometry with a TiAlN coating and an advanced flute design to