IRWIN 10502479 - HSS Pro double-ended drill bit (bulk pack 10 pcs.)

Description

HSS PRO is an industrial quality twist drill with outstanding performance and long service life. It is designed for drilling steel and steel castings, alloyed and non-alloyed steel, cast iron, non-ferrous metals, plastics and other materials. The 118° split point shape provides an optimum centering when starting and a faster drilling rate. It requires lower feed pressure than standard HSS drill bits with a chisel edge. 118° SPLIT POINT SHAPE With increased performance and very good centering. Precision starting, no need to pre-punch or pilot drill. Penetrates quickly. Requires less effort / feed pressure. GREATEST TOUGHNESS For low risk of breakage even when drilling with smaller diameters due to high elasticity. OPTIMUM DRILLING PERFORMANCE Even in unfavorable working conditions. HIGHLY ACCURATE Close tolerances and high concentricity for maximum precision. HIGHEST STEEL GRADE High-performance, High-Speed Steel.