IRWIN® Step Drill Bit 4-22mm (10 Holes)
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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: 4, 6, 8, 10,12, 14, 16, 18, 20 and 22mm.
Shipping & Returns
Shipping & Returns
Enjoy free standard shipping on all orders over £75. For orders under £75, standard shipping is £3.99.
If you need to return an item, you can do so within 30 days of your order being fulfilled.