- 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 13500 RPMs.
Pad Specifications
Mfr. Model # 50281
- Brand: Dynabrade
- Attachment Type: Arbor
- Pad Diameter: 4 1/2 in
- Thread Size: 5/8-11
- Thread Type: Female
- Density Grade: Medium
- Density Number: 5
- Maximum RPM: 13500

Dyanbrade NF1B NitroFile Abrasive Belt Tool with 11206 Contact Arm and 15352 Drive Wheel, 5.hp 7 Degree Offset, 20,000 RPM, Gearless, Front Exhaust
Dynabrade 96005 - 1/4" Male Plug with 3/8" NPT Male Thread
Dynabrade 80459 HEPA 13 Vacuum Cartridge Filter
Dynabrade 58466 3-1/2" Dia. DynaLocke Dual-Action Sander, Self-Generated Vacuum
Dynabrade 64900 Variable Speed Versatility Grinder, 1 hp, 115 V (AC), 1 Phase, 50/60 Hz, 600-4,000 SFPM, for 1/4"-2" W x 72" L (6-51 mm x 122 cm) Belts
Dynabrade 93609 1" Dia. x 3/8", 3-48 Female Center Thread, 60 Grit A/O, 8 Ply, J-DynaCut Cross Pad, 100/pack
Dynabrade 91701 DynaMesh 3" 100 Grit Hook & Loop Discs, 50 per box
Dynabrade 79233 3-1/2" Dia. x 220 Grit A/O Non-Vacuum PSA DynaCut Disc, 100/Roll
Dynabrade 51862 .4 hp Trim Router (Complete), 30,000 RPM, 1/4 Collet
Dynabrade 01797 Exhaust Cover
Dynabrade 11238 Contact Arm Ass'y, 1/4" Dia. x 3/8" W, Steel Wheel, Polish Turbine Blades
Dynabrade 13525 Dynastraight Finishing Tool Versatility Kit, 1 HP, Rear Exhaust, 3,400 RPM, 5/8"-11 Arbor
Dynabrade 50297 7" Dia. Disc Backup Pad, Hard Density, 5/8"-11 Thread
Dynabrade 52410 3" Dia. 7 Degree Offset Disc Sander, Front Exhaust, .7 HP, 15,000 RPM, 3/8"-24 Thread
Dynabrade 53680 Rotor
Dynabrade 11218 Contact Arm Ass'y, 5/8" Dia. x 3/8" W, Rubber Wheel, with 1/2" W Platen
Dynabrade 78423 4-1/2" Dia. x 3/8" Very Fine DynaBrite Surface Conditioning Disc, 25/pack
Dynabrade 14000 Dynafile Abrasive Belt Tool 
