Twist Drill Bits

Drill clean, accurate holes in metal, wood, plastic, and composite materials with our range of twist drill bits — HSS twist drill bits, cobalt twist drill bits, titanium-coated twist drill bits, black oxide twist drill bits, fully ground twist drill bits, left-hand twist drill bits, short-series twist drill bits, long-series twist drill bits, and twist drill bit sets for drilling metal, wood, plastic, and composite materials with corded and cordless drills in domestic, commercial, and trade applications. From classic HSS ground twist drill bits in individual sizes from 1mm to 13mm and boxed sets for general-purpose metal, wood, and plastic drilling to cobalt HSS (M35 and M42) twist drill bits for extended life and heat resistance when drilling hardened steel, stainless steel, and hard alloys, titanium nitride (TiN) and titanium aluminium nitride (TiAlN) coated twist drill bits for reduced friction and improved cutting speed in steel and cast iron, black oxide HSS twist drill bits for improved lubricity in mild steel and aluminium drilling, fully ground split-point twist drill bits with 135-degree point for self-centring entry without centre punch marking, left-hand twist drill bits for broken bolt and stud extraction, long-series twist drill bits in 1.5mm to 10mm for drilling in deep or restricted access locations, stub-length and screw-machine length twist drill bits for maximum rigidity in precision drilling, and twist drill bit sharpening jigs and grinding attachments for restoring worn drill bit cutting edges, a wide selection from leading drill bit and cutting tool brands for correctly HSS-graded, point-geometry-matched, and coating-appropriate twist drill bits that deliver clean, accurate, and efficient hole drilling in every material and every application.