WF4DY Hitachi Screwdriver - Overview

Genuine Manufacturer Sourced replacement part used on Hitachi Power Tools. This part is made out of Metal and it is sold individually. Ball bearings are used to reduce friction between rotating parts. The balls or rollers take the load and spin, distributing the weight evenly while the minimal contact area of the ball reduces friction. Th...Read moreis reduces wear on the tool and allows it to run smoothly. Bearings experience constant wear when the tool is in operation from pressure, heat, vibration and friction. Because of this, many Bearings need periodic maintenance or replacement.

1/4" Hex Quick Change Hex Sockets