Dormer Pramet A117 7.70 mm HSS-E STRAIGHT SHANK STUB DRILL DIN 1897 SRHFINISHINGINSERT It features a left-hand spiral

It features a left-hand spiral flute and right-hand cutting and meets DIN 8051 B / ISO H5 tolerance standards

Designed for right-hand metric coarse 6g threads

The JBO Thread Ring Gauge (GO) - Metric Fine for Right Hand use is a precision tool designed to verify external threads on metric fine-threaded components

smooth hole finish across materials

and a finish designed for aluminum and non-ferrous metals

Dormer Pramet A117 7.70 mm HSS-E STRAIGHT SHANK STUB DRILL DIN 1897 SRHFINISHINGINSERT It features a left-hand spiralThe Dormer Pramet A117 7. 70 mm HSS E Straight Shank Stub Drill is a dependable metalworking drill designed for engineers, machinists, tradespeople, and serious hobbyists alike. With a compact stub design and a DIN 1897 straight shank, it offers solid rigidity and reliable hole quality in a wide range of metal projects. 135 degree split point: self centering start that reduces wandering and lowers the push force required to begin cutting, helping you