The EXTREME metal tip starts drilling on contact eliminating walking for clean, accurate holes (diameters 3.2mm and above only) with the innovative tapered web greatly reduces breakage, no-slip shank with 3 flats eliminates slipping in the chuck (diameters 5.0mm and above only) permanent size markings located above the shank for increased visibility (diameters 3.0mm and above only) Features and Benefits Increased durability - up to 50% stronger than standard HSS-R drill bits, cleaner, more accurate, burr-free holes due to recessed cutting wings EXTREME Metal drill bit designed to maximise drill performance offers, faster drilling - up to 4x faster than standard HSS-R drill bits Designed to maximise drill performance and increase durability Supplied in a plastic case for easy storage and organisation Contents 1 x 1 to 13mm in increments of 0.5mm 1 x 3.2mm 1 x 3.3mm 1 x 4.2mm 1 x 4.8mm Material Applications Metals