The Makita 4 in. Lock Nut for Pad is designed for use with Makita grinders including the GA4030. The Lock Nut is engineered to hold an abrasive disc secure to the pad for improved performance. The lock nut is constructed from steel for added durability.
"
For use with rubber pad
Holds abrasive disc secure to pad
Steel construction for demanding applications
Designed for Makita 4 in. grinders， including the GA4030
"
Comment