Irwin 10502853 4 - 22mm Step Drill Bit (10 Holes)

• IRWIN, 133 years of ingenuity and excellence
• Single flute for maximum drilling control
• Flattened shank prevents the drill bit from slipping in the chuck
• Self-centring point eliminates centre punching
• Made from industrial grade M7 high-speed steel

Product Description Irwin Step Drill Bits are designed for precise drilling in thin materials and have a single flute for maximum drilling control into sheet metal.The drill bits have a unique flute design which ensures that they drill perfect round holes into sheet metal.A flatted shank also prevents the drill bit from slipping in the chuck. They also have a self-centring point which ensures that they will not walk and which eliminates centre punching.The drill bits are made from industrial grade M7 high-speed steel, and are available in different step increments(between 1-3mm). The IRW10502853 Step Drill Bit has the following specifications:Number of hole sizes: 10Hole diameters: 4, 6, 8, 10,12, 14, 16, 18, 20 and 22mm IRWIN Industrial Tools Ltd., a Newell Rubbermaid Company, produces high-quality hand tools and power tools accessories for metalworking and woodworking professionals. As well as the Record brand of hand tools, consisting of metalworking and woodworking vices, bolt-cutters, G-clamps, pipe tools and woodworking planes, the company has many other famous brands, including: Marples, Jack, Vise-Grip, Quick-Grip, Gilbow, Joran, Hilmor, Hanson, Strait-Line and Lenox. Box Contains IRW10502853 Step Drill Bit 4-22mm (10 Holes)