10502853 Step Drill Bit 4-22mm (10 Hole Sizes)
Step drill bits are designed for precise drilling in thinmaterials and have a single flute for maximum drilling controlinto sheet metal.
Their unique flute design ensures perfect round holes insheet metal.
A fluted shank also prevents the drill bit from slipping inthe chuck and a self centering point that will not walk andeliminates centre punching.
Made from industrial grade M7 high-speed steel.
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