Grinding Aid Increases Versatility and Reduces Disc Wear
The grinding aid on our Standard Abrasives Quick Change Aluminum Oxide Extra 2-Ply Disc enhances cut on heat-sensitive metals and exotic alloys, reduces disc wear and helps prevent part discoloration.
Quick Change Convenience
We offer this disc in a range of sizes, grits and quick change sanding systems. Quick change discs allow tool-free swap outs, maintain secure attachment at high speeds, and save operators time when switching discs between grades or applications.
Choose the disc compatible with your TP, TR, or TS holder pad. The TP system features a snap-on/snap-off nylon fastening hub. TR discs have a nylon threaded hub that easily mounts to TR or 3M Roloc type holder pads with a turn of the wrist, and the TS system has a metal hub that attaches to its holder pad with a simple twist.
Aluminum Oxide Suits Many Substrates
Aluminum Oxide discs are a good match for operators who desire all-purpose versatility and economy. It is a tough mineral that self-fractures to produce a fast cut while grinding, blending and deburring. It can be used on a wide variety of materials including ferrous metals and composites.
For applications not requiring a grinding aid, try our standard Aluminum Oxide Disc, and when a more flexible edge is needed for steeper contours, choose a Flexible Edge Coated Disc (both sold separately). The versatile portfolio of Standard Abrasives Aluminum Oxide Discs helps to ensure that operators will find a disc that is well-suited to their project needs and applications.
Quality Standard Abrasives Solutions for Industrial Applications
The Standard Abrasives brand has supplied quality abrasives to the metalworking industry for over 50 years. Customers rely on our broad offering of high performance products including coated, bonded, and non-woven abrasive lines.

Dynabrade 93098 5" Dia x 1/4" Center Hole, A-Medium, High Strength DynaBrite Clean-N-Finish Disc, 25/pack
Dynabrade 78495 4" Dia. x 2", 1/4-20 Female Center Thread, A/O, 120 Grit, 8-Ply J-DynaCut Cross Pad, 100/pack
Dynabrade 21486 ND3300, Exhaust Port
Dynabrade 54743 4" (102 mm) Dia. Extended Right Angle Cut-Off Tool, Steel Housing, .7 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 78556 2" Dia. 2-Set, 8-32 Female Center Thread, 180 Grit, Dynacut A/O Overlap Slotted Disc, 100/pack
Dynabrade 52317 - .4 hp Right Angle Die Grinder, 20,000 RPM, 1/4" Collet
Dynabrade 51854 .4 hp Trim Router (Complete), 30,000 RPM, 1/4 Collet
Dynabrade 18760 Bearing
Dynabrade 79188 1/2" W x 18" L 120 Grit DynaCut Premium Ceramic Belts, 50/pack
Dynabrade 52435 3" (76 mm) Dia. Straight-Line Cut-Off Wheel Tool, Rear Exhaust, .5 HP, 20,000 RPM, 3/8"-24 Spindle
Dynabrade 92058 3" Dia. x 180 Grit A/O Vacuum Hook-Face DynaCut Disc, 50/Pack
Dynabrade 58444 6" Dia. Two-Hand Gear-Driven Sander, Central Vacuum, .45 HP, 900 RPM, Hook-Face
Dynabrade 51401 3" Dia. 7 Degree Offset Rotary Buffer, .4 hp, 5,000 RPM, Rear Exhaust, 3/8"-24 Spindle Thread
Dynabrade 57401 2-3/4" W x 8" L Dynaline Sander, Self-Generated Vacuum
Dynabrade 54347 .7 hp Extended Right Angle Die Grinder, Rear Exhaust, 12,000 RPM, 1/4" Collet
Dynabrade 15401 Dynafile III Abrasive Belt Tool for 20-1/2" Belts
Dynabrade 52747 Shroud, 7", Vacuum, for 1.3 hp
Dynabrade 53278 7" Vacuum Disc Sander- 6,500 RPM
Dynabrade 50320 4-1/2"- 5" Dia. Pistol Grip Disc Sander
Dynabrade 52420 3" (76 mm) Dia. 7 Degree Offset Cut-Off Wheel Tool, .5 HP, 20,000 RPM, 3/8"-24 Spindle
Dynabrade 78861 Crimped Wire Radial Wheel Brush 2" Dia. x .0118 x 7/16" Steel
Dynabrade 53460 3" Dia. Right Angle Rotary Buffer, .4 hp, 3,200 RPM, Rear Exhaust, 3/8"-24 Spindle Thread
Dynabrade 51863 .7 hp Trim Router (Complete), 20,000 RPM, 1/4 Collet
Dynabrade 97289 - 5" Dia. x 2" W Replacement Flexer
Dynabrade 78658 3/8" Dia. x 1-1/2" W x 1/8" Center Hole, Tapered Cartridge Rolls, A/O, 120 Grit, 100/pack
Dynabrade 79148 1/2" W x 24" L 60 Grit Ceramic DynaCut Belts, 50/pack
Dynabrade 54021 1/4"-28 Male 1/4"-20 Male, 1-3/16" Length
Dynabrade 51944 Tip Valve
Dynabrade 91258 8" Dia. x 320 Grit A/O Vacuum Hook-Face DynaCut Disc, 25/Box
Dynabrade 90277 3-1/2" W x 15-1/2" L 180 Grit A/O DynaCut Belt, 10/pack
Dynabrade 95674 1/4" Female Coupler
Dynabrade 91556 6" Non-Vacuum 120 Grit, Dynacut Extreme Orange Premium Film PSA Disc, 50/pack
Dynabrade 50302 4" (102 mm) Dia. Right Angle Depressed Center Wheel Grinder, 1 HP, 12,000 RPM, 3/8"-24 Spindle
Dynabrade 58075 4" W x 4-1/2" L Dynabug "Model T" Orbital Sander, Self-Generated Vacuum, 20,000 RPM, 3/32" Orbit, Hook-Face
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Dynabrade 52206 .4 hp 7 Degree Offset Die Grinder, Front Exhaust, 30,000 RPM, 1/4" Collet
Dynabrade 94523 Inlet Adapter Assembly
Dynabrade 98264 - 3/8" NPT Female Plug
Dynabrade 54767 3" (76 mm) Dia. Right Angle Type 27 Depressed Center Wheel Grinder, .7 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 15360 Dynafile III Abrasive Belt Machine for 24" Belts
Dynabrade 93340 Carbide Burr, 3/32" Dia., SC-41 D/C Burr, Cylinder, 7/16" Flute L, 1/8" Shank
Dynabrade 48205 .4 hp 7 Degree Offset Die Grinder, Rear Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 11477 Dynabelter Abrasive Belt Tool, Heavy-Duty
3M 04312, Vinyl Tape 471, Orange, 2 in x 36 yd, 5.2 mil, 7000028854
Dynabrade 54034 Head Assembly
Dynabrade 96213 Bearing Removal Tool
Dynabrade 52212 .5 hp 7 Degree Offset Die Grinder, Front Exhaust, Short Shank, 20,000 RPM, 1/4" Collet
Dynabrade 64405 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 460 V (AC), Side Exhaust
Dynabrade 95697 Retaining Ring
Dynabrade 50326 7" Wheel Guard Assy
Dynabrade 56672 Adapter 
