A10810.2 HSS 10.2mm Jobber Drill Bit, 133 mm, Plain Shank. A108 series of high-quality, industrial HSS Split-Point Jobber Drill Bits from Dormer. The professional Drill Bits have been manufactured from premium-quality, tempered HSS steel. Drill Bits have been specifically designed for stainless steel machining and feature 135° point angle for maximum accuracy and precise application. Easy to read size markings are engraved on the side of each drill bit. Drill’s helix has been redesigned for greater stiffness.