Dormer Pramet R520 5.40 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 4 Month Widin Carmex Carbide Threading Insert -

Carmex Carbide Threading Insert - NPSM - TiAlN Coated - 21E11

delivering consistent results and reducing risk of rework

clean threads that resist seizing and galling

repeatable hole sizes and easy mounting in standard toolholders for dependable

strong internal threads in metal

Dormer Pramet R520 5.40 mm CARBIDE TiN CDX STRAIGHT SHANK STUB DRILL DIN 6539 4 Month Widin Carmex Carbide Threading Insert -The Dormer Pramet R520 is a 5. 40 mm carbide straight shank stub drill (DIN 6539) designed for reliable metal drilling in a variety of applications. Built for engineers, fabricators, and workshop professionals, it delivers consistent hole quality with a robust, long lasting carbide body. With a Titanium Nitride (TiN) coating, a 130 degree point, and convex cutting edges, this drill is optimized for self centering, smoother starts, better chip control,