RUKO Blacksmith Drills

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Blacksmith/Reduced Shank, high-performance rolled, steam-treated jobber twist drill made from heavy-duty black high speed steel. The manufacturing procedure (no structural disrupti on) solidifies the material making it more elasticated. This makes it more resistant to fracture and suitable for robust drilling units (e.g. hand-held drilling machines). Ideally suitable for drilling larger drilling diameters on all commonly-used drilling machines with a clamping chuck up to 13.0 mm. Show more