4-32mm HSS Spiral Stepper Drill Metal Hole Cutter Titanium Nitride Coated Bit UK

1 x Spiral Drill. Nitriding gold spiral groove drilling ladder 4-32 MM. Titanium coated to reduce friction and run cooler. Shank: Triangle round handle. Automatically deburr holes as you drill. Material: High speed steel, Titanium coating on the surface.

eBay