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Description
Irwin IRW10502854 Step Drill Bit 5-35mm (13 Holes)
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: 13.
Hole diameters: 5, 7.5, 10, 13, 16, 19, 21, 23, 26, 29, 31, 33, and 35.
