The Starrett HSS Split Point Drill Bits have superior body strength thanks to a specialised heat treatment, they can withstand the most demanding of applications. The high-performance ecision ground carbide tips deliver consistent performance. Whilst the flute geometry provides fast material penetration and maximum debris removal. They also feature a unique chip removal/breakage accelerator. Designed to meet the requirements of professional users. Manufactured to DIN 338 Standards. This Starrett HSS Split Point Drill Bit has the following specifications: Tip Diameter: 12.0mm.Working Length: 101mm.Overall Length: 151mm.