Product Code: IRW10502853
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 fluted 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: 10 Hole diameters: 4, 6, 8, 10,12, 14, 16, 18, 20 and 22mm
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