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

Step Drill Bit 6-18mm (7 Holes) - IRWIN 10502853, 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. IRWIN® 10502853 Step Drill Bit 4-22mm (10 Holes)

Price: 45.73 from Rapid Online Rapid Electronics Ltd.