4-1/2" Ventilated Polypropylene Backing Plate with 5/8"-11 Flange Nut

Our ventilated backing pads are made from high quality polypropylene that can be used in a wide range of temperatures from cold to hot, has a high heat resistance, is lightweight and provides more flex than rubber backing pads.

Designed for sanding, finishing, moderate grinding and applications that require high-speed over an extended period of time.

Ribbed flow channels help to quickly dissipate friction heat when using A/O aluminum oxide and S/C silicone carbide abrasive discs. This design allows for proper air flow to keep temperatures cooler during use and extends the life of your abrasive discs.

*A 1-1/2" flange nut with .219" spanner holes and 5/8"-11 thread is included with each backing pad. 

Specifications:

• 4-1/2" Diameter

• Center Hole: 7/8"

• Flange Nut: 1-1/2" wide x 5/8"-11 thread (Fits standard spindle and short spindle grinders.)

• Maximum RPM: 20,000

• Medium flex
  

• Ribbed vent channels and air flow holes

Proudly made in the USA!

*Pro Tip: Pair with a 4-1/2" or 5" phenolic backing plate for a more rigid backing.

AES-554-5 - 4-1/2" phenolic plate

AES-555 - 5" phenolic plate