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With carbide hardness
Compatibility: designed for standard ER16 collet chucks
while offering dependable performance across a range of machining tasks
The solid construction translates to less deflection under load
Dormer Pramet R457 4.40 mm CARBIDE TIALN FORCE-X STEPPED SHANK COOLANT FEED SHORT SERIES (X3D) DRILL DIN 6537 K Pilot Drill With carbide hardnessThe 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
