Ventilated backing plate and flange nut. Fits grinders with a 5/8" threaded spindle (including short spindle grinders). Designed to hold fiber backed aluminum oxide, ceramic, zirconia alumina and silicon carbide abrasive discs with a 7/8" hole. Semi-rigid backing. Polypropylene construction with air holes and ribbed flow channels. Allows for proper air flow to keep temperatures cooler while grinding/sanding, this also lengthens the life of your abrasive discs.
Specifications:
- Size: 5"
- Hole: 7/8"
- Flange Nut: 5/8"-11
- Maximum RPM: 20,000
- Ribbed vent channels and air flow holes.
*Pro Tip: Pair with a 5" or 7" phenolic backing plate to more rigid backing while sanding/grinding.
AES-555 - 5" phenolic plate
AES-557 - 7" phenolic plate