Set of 4 highly versatile drill bits which can drill clean, accurate holes in various materials, such as brick, cement, sheet metal, wood, plastic, aluminium and soft wall tiles. Features hardened steel straight shank and sharpened tungsten carbide tip for improved bit penetration, outstanding durability and consistent drilling life. Allows fast drilling even in hard materials. Optimised flute design enables efficient debris removal. Ideal for building trades. Compatible with most power tool brands. Supplied in a handy storage case which can be stacked with other compatible Erbauer PTA cases. Steel Straight Shank 4mm-8mm Dia. Drill Bits Suitable for Masonry, Plastic, Metal & Wood Tungsten Carbide Tip For Use with 3-Jaw Chuck Machines on Rotary & Impact Modes Connecx Optimised Flute Design Hardened Steel Straight Shank 4mm-8mm Dia. Drill Bits Suitable for Masonry, Plastic, Metal & Wood Tungsten Carbide Tip For Use with 3-Jaw Chuck Machines on Rotary & Impact Modes Connecx Optimised F...