- 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

Dynabrade 90248 1/2" W x 18" L Very Fine NWN DynaBrite Premium Belts, 10/pack
Dynabrade 56180 5" Dia. Non-Vacuum Disc Pad, Hook-Face, Short Nap
Dynabrade 21457 ND3071, Red Plastic Cover
Dynabrade 14000 Dynafile Abrasive Belt Tool
Dynabrade 94897 Re-usable Compression Fitting Ass'y (for 8mm Hose)
Dynabrade 11231 Contact Arm Ass'y, 3/4" Dia. x 1/2" W, Rubber Wheel, with 1/2" W Platen
Standard Abrasives 706313, A/O Straight Cartridge Roll, 1/2 in x 1 in x 1/8 in 60, 7100103112
Standard Abrasives 713125, A/O Straight Cartridge Roll, 3/16 in x 1 in x 3/32 in 60, 7100103120
3M 65875, Scotch Storage Packaging Tape 3650-2, 1.88 in x 54.6 yd (48 mm x 50 m),
2 pack - 6 packs/case, 7100115795
Dynabrade 78710 5/16" x 5/8"-B53 Dynacut A/O Mounted Point, 5/pack
Dynabrade 98276 - 1/2" Male Coupler with 1/2" Female Plug Assembly
Dynabrade 98580 Motor Tune-Up Kit for National Detroit Sander Models
Dynabrade 78538 3/4"Dia. 2-Set, 3-48 Female Center Thread, 80 Grit, Dynacut A/O Overlap Slotted Disc, 100/pack
Dynabrade 96425 Screws For Vacuum Shroud (57737)
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint 
