Ground Jobber Drill Bit Material: M2 Grade HSS Steel Drill Tip: 135° Split Shank Type: Straight Size: 8.5 x 117 mm Addax 8.5Mm Ground Jobber Drill Bit - Hss M2 | Hssgr85 Manufactured from a high grade M2 tool steel. This durable engineering quality drill will give a consistent rapid performance into all non-alloy materials. The 135° split point prevents the bit from drifting and enables faster penetration. Features Fully ground from solid material High grade M2 alloyed High Speed Steel (HSS) Manufactured to DIN 338 Dimensionally precise High performance 135° split point tip eradicates the need to pre-drill/centre punch