Dormer Pramet R457 4.40 mm CARBIDE TIALN FORCE-X STEPPED SHANK COOLANT FEED SHORT SERIES (X3D) DRILL DIN 6537 K Pilot Drill Its 140° four-facet split point

Its 140° four-facet split point helps the bit self-center at startup

Left-Hand Spiral Flute with Right-Hand Cutting for Efficient Finishes: Designed for effective material removal and smooth hole finishes with reliable performance

The solid construction translates to less deflection under load

The spiral point pushes chips forward and away from the cut

Built from HSS-E (M35 cobalt) and featuring a stub length with a straight shank

Dormer Pramet R457 4.40 mm CARBIDE TIALN FORCE-X STEPPED SHANK COOLANT FEED SHORT SERIES (X3D) DRILL DIN 6537 K Pilot Drill Its 140° four-facet split pointThe Dormer Pramet R457 is a 4. 40 mm carbide drill engineered for precise, reliable hole making across a wide range of materials, including steel, aluminium, and stainless steel. Designed for professionals who demand consistency in challenging applications, this short series drill combines a stepped shank (DIN 6537 K) with coolant delivery to support secure mounting and steady cutting performance. It features a 140 four facet split point for quick