Dormer Pramet R520 4.80 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 ISO Insert - CN Style By cooling the cutting edges

By cooling the cutting edges from within the bore

aligning with common industrial fastener standards

and workshop professionals who need consistent bore sizes

from fabricators building thick metal assemblies to technicians performing precision work in constrained spaces

Dormer Pramet R520 4.80 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 ISO Insert - CN Style By cooling the cutting edgesThe Dormer Pramet R520 4. 80 mm carbide stub drill with a DIN 6539 straight shank is engineered for precise metal drilling across steel, aluminium, and stainless steel. Its compact stub design and premium carbide core deliver consistent hole quality, making it a reliable choice for engineers, machinists, and workshop professionals who need dependable performance from first cut to finish. 130 self centering point: starts holes cleanly and reduces the