you gain tight hole-size control
Through-Coolant Delivery: Through-coolant design keeps the cutting edges cooled and efficiently flushes chips
Slow spiral design for controlled chip evacuation: helps remove chips smoothly during drilling
and long wear life under demanding threading conditions
suitable for a range of metals in general-purpose work
Dormer Pramet R458 N22 CARBIDE TIALN FORCE-X STEPPED SHANK SHORT SERIES (X3D) DRILL DIN 6537 K Through Coolant you gain tight hole-size controlThe Dormer Pramet R458 N22 carbide drill is built for professional results across steel, aluminum, stainless steel, and other common metals. Its ideal for engineers, fabricators, and serious hobbyists who require fast, precise holes with consistent quality. With a 140 degree 4 facet split point, it self centers from the start, reducing push force and improving hole alignment on the first touch. Self centering 140 4Facet Split Point: Reduces wandering