| Fully ground HSS twist drills with a titanium nitride coating, giving a significantly longer life. The two different sets are supplied in a plastic magazine storage case and drill stand. 135° Forged HSS steel Precision ground for accurate drilling Titanium Nitride coated for extra wear protection 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm | |