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Description
Irwin IRW10502855 Step Drill Bit 5-28.3 mm (10 Hole)
The Irwin Step Drill Bits are designed for precise drilling in thin materials and have a single flute for maximum drilling control into sheet metal. Their unique flute design ensures perfect round holes in sheet metal. A fluted shank also prevents the drill bit from slipping in the chuck along with a self centring point that will not walk and eliminates centre punching.
Made from industrial grade M7 high-speed steel.
Irwin Step Drill Bit.
Number of hole sizes: 10.
Hole diameters: 5, 7.5, 10, 12.5, 15.2, 18.6, 20.4, 22.5, 25.5 and 28.3mm.
