1/2 inch 20UNF thread drill chuck conversion drill chuck adapter converted into impact switch electric drill keyless 3 jaw chuck Convert nut tightening / unscrewing machine into electric drill.

Save on buying new chuck drills or drill bits Attention! the product screw is reverse pass.

pay attention to this and pass it.

Traits .

High-precision gear and bevel securely connect tools.

Cr coated body can be protected against rust and good appearance with sleeve electrophoretic enamel.

Using special anti-carrier bearing to convert switch applied torque to superior grip and anti-splash force.

Jaws are specially designed for tight tolerance production drilling.

Super sensitive and durable.

Keyless mirror: 1.5-10mm drill Chuck + adapter (as pictured)