Heavy-duty HSS drill bits with black and gold finish to help prevent rust. Strong tapered core design for extreme durability and resistance to breakage. 135° split point tip design on larger sizes helps reduce walking. Hex shank designed to resist radial torque with impact drivers and is compatible with most power drills and impact drivers. Optimised flute geometry for quick material clearing. Suitable for use with a variety of materials including plastic, wood and metal. Supplied in small case that can be connected to other tough cases. Compatible with the TSTAK storage system via the caddy. High-Speed Steel Hex Shank 3mm-10mm Dia. Drill Bits Suitable for Metal, Wood & Plastic High-Speed Steel Tip Can be Used with Rotary & Impact Modes TSTAK Black & Gold Finish Strong Tapered Core Design Optimised Flute Geometry Compatible with TSTAK System High-Speed Steel Hex Shank 3mm-10mm Dia. Drill Bits Suitable for Metal, Wood & Plastic High-Speed Steel Tip Can be Used with Rotary & Impact Mo...