Precision engineered HSS-G twist drills with reduced shank and split point. Item Code Size Box QTY HSSGB008 1/2 INCH – IBSD01012 1 HSSGB010 5/8 INCH – IBSD0508 1 HSSGB012 3/4 INCH – IBSD0304 1 Categories: HSS Twist Drills Tools & Accessories