4-32mm HSS High Speed Spiral Step Taper Drill Bit Metal Hole Cutter Drill Tool

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

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