Dormer Pramet R457 9.30 mm CARBIDE TIALN FORCE-X STEPPED SHANK COOLANT FEED SHORT SERIES (X3D) DRILL DIN 6537 K Indexable Insert while the thoughtful flute geometry

while the thoughtful flute geometry keeps chips flowing away from the cutting edge—reducing heat buildup and improving surface quality

DIN 8093 geometry and ISO H4 tolerance (D) provide reliable sizing

Extra long length for drilling very deep holes and increased reach

Through-Coolant Chip Evacuation: Efficient coolant flow and chip removal reduce heat build-up

the taper-shank design

Dormer Pramet R457 9.30 mm CARBIDE TIALN FORCE-X STEPPED SHANK COOLANT FEED SHORT SERIES (X3D) DRILL DIN 6537 K Indexable Insert while the thoughtful flute geometryThe Dormer Pramet R457 9. 30 mm carbide drill is built for precise, reliable hole making across common metals like steel, aluminium, and stainless steel. Featuring a TiAlN coating, a 140 four facet split point, and a coolant fed stepped shank, it starts cleanly, lasts longer, and stays accurate at higher speeds. Self Centering 140 Split Point: This point geometry helps the drill center itself as it enters the workpiece, reducing wandering and lowering