Technical Data:
Product type: Fibre disc backing pad
Pad form: Spiralcool, medium hard
Maximum RPM: 13,500
Locking nut thread: 5/8-11

Application:
Cools grinding surface
Helps prevent excessive heat and material buildup

Dimensions:
Diameter=4-1/2 in
Locking nut thread=5/8-11

Remark:
Spiral ribs form air-flow channels
Extends disc life 30% to 50%