Advanced Irwin Pro-Series 13 Hole High Speed Steel Step Drill 5mm - 13mm [Pack of 1] --

Description

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 incrementsbetween 1-3mm.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.... --