The Starrett HSS Split Point Drill Bits have superior body strength, specialised heat treatment, and are able withstand the most demanding of applications. The high-performance precision tips deliver consistent performance and the flute geometry provides fast material penetration and maximum debris removal. This 13 Piece Starrett HSS Split Point Drill Bit Set comes in a handy carry case. Features and Benefits Precision ground cutting edge for fast drilling and perfect finishing Maximum accuracy; fast chip removal Split point 135: self-centering; easier hole start; less pressure required for penetration; enhanced performance Processed by controlled thermal treatment High fracture resistance The set contains 1 of each size: 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0 & 6.5mm. Applications Suitable for: Alloy steels, carbon steels, cast iron, hardened alloy steels, stainless steel, wood and soft materials Approvals and Standards Metric line according to DIN 338