Dormer Pramet R520 4.50 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 ISO Insert - RN Style Uncoated versatility: Uncoated tiles well

Uncoated versatility: Uncoated tiles well with heat-tolerant materials

The stub length and straight shank simplify setup in cramped tooling pockets

Flute Configuration: 4‑flute design that promotes efficient chip evacuation and stable cutting in tougher materials

This insert is part of an industry-recognized range that covers the majority of thread standards in use today

Dormer Pramet R520 4.50 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 ISO Insert - RN Style Uncoated versatility: Uncoated tiles wellThe Dormer Pramet R520 4. 50 mm carbide stub drill with a straight shank (DIN 6539) is a versatile drilling solution designed for professionals and serious hobbyists who demand precise, repeatable holes in a range of metals. Built from premium carbide and finished with a Titanium Nitride coating, its ready for steel, aluminium, and stainless steel workpieces. The 130 point helps with self centering and reduces the push force required to start a hole,