- Dynabrade sanding disc backing pad has a diameter of 4 1/2 in. The arbor attachment allows for easy mounting to the tool or pad. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This Dynabrade sanding disc backing pad can be run at a maximum speed of 13000 RPMs.
Pad Specifications
Mfr. Model # 51148
- Brand: Dynabrade
- Attachment Type: Arbor
- Pad Diameter: 4-1/2 in
- Thread Size: 5/8-11
- Thread Type: Female
- Density Grade: Medium
- Maximum RPM: 13,000

Standard Abrasives 703078, A/O Straight Cartridge Roll, 3/4 in x 1-1/2 in x 3/16 in 60, 7100093096
Dynabrade 92118 1/4" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
Dynabrade 97311 Washer
Dynabrade 51307 .5 hp Straight-Line Die Grinder, Rear Exhaust, 24,000 RPM, 1/4" Collet
Dynabrade 31949 Vacuum Hose Ass'y, 3/4" Vac, 5/16" Air Hose
Dynabrade 80057 Motor Brush Set, 110/120V-60 Hz
Dynabrade 11011 Idler Arm Assembly
Dynabrade 40320 Dynafile II Abrasive Belt Tool 
