A Tough Disc for Tough Surfaces
Built to hold up during the most demanding auto body sanding jobs, 3M™ Green Corps™ Hookit™ Abrasive Disc 255U is resin bonded for heat resistance. And our Hookit™ attachment system lets operators quickly change out discs during multi-step sanding processes.
Superior Dust Resistance
Open coat construction means that our abrasive grains are spaced so that dust and debris can collect in the spaces rather than loading the disc. Additionally, the open coat feature provides a more aggressive cut than a comparable closed coat abrasive of the same grade, for faster results. Several versions of this disc feature our 7- or 8-hole pattern that helps evacuate dust from the work surface, dramatically increasing disc life and maximizing cut-rate.
Blended Grain for Better Cut
The 3M™ Ceramic Abrasive Grain is a ceramic mineral designed using a 3M process to enhance toughness and hardness of the grain. For increased performance, 3M™ Green Corps™ Hookit™ 255U abrasive discs feature aluminum oxide blended with 3M™ Ceramic Abrasive Grain for one of the most durable, longest-lasting abrasives available. Perfect for moderate to heavy stock removal as well as sanding and finishing applications, ceramic abrasives are engineered to cut fast and handle intense heat and stress. Ceramic aluminum oxide blend surpasses aluminum oxide abrasives in cut-rate and durability, making this product an excellent choice for sanding metal, plastic, and fiberglass substrates, and finishing applications.
Our Hookit™ Attachment System
Hook-and-loop style 3M™ Hookit™ discs are ideal for work spaces where adhesive backed discs may become contaminated by dust, dirt, or flying debris. They are often used in applications where a 3M™ Stikit™ disc may be too aggressive, as Hookit™ discs tend to leave finer finishes than adhesive backed discs. Hookit™ sanding discs conveniently and firmly attach to a hook-and-loop backup disc pad (sold separately) on a random orbital sander, can be removed cleanly and easily, and be used again and again for the extent of the abrasive life.
Durable Through and Through
From grain to backing to bonding to disc pad attachment, our Green Corps™ Hookit™ Abrasive Disc 255U is built for long life – even for tough auto body sanding projects. Top quality sanding using fewer discs is just another way that auto body professionals can get the most from their operations.

Dynabrade 54039 3/8"-24 Female 5/16"-24 Female, 1" Length
Dynabrade 02168 Housing for Models 52294 & 52297
Dynabrade 43506 .4 hp 3" (76 mm) Dia. Extension Die Grinder, Rear Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 79107 1/2" W x 12" L 40 Grit DynaCut Premium Ceramic Belts, 50/pack
Dynabrade 82493 6" Dia. x 240 Grit A/O Vacuum PSA Filmbac DynaCut Disc, 100/Pack
Dynabrade 54347 .7 hp Extended Right Angle Die Grinder, Rear Exhaust, 12,000 RPM, 1/4" Collet
Dynabrade 51451 5"-8" Dia. 7 Degree Offest Two-Hand Rotary Buffer, .7 hp, 4,500 RPM, Rear Exhaust, 5/8"-11 Spindle Thread
Dynabrade 79099 1/2" W x 12" L 36 Grit DynaCut Premium Ceramic Belts, 50/pack
Dynabrade 79481 4" Dia. x 2" x 3/4" Arbor Hole, Dyna-Felt Polishing Flap Roll
Dynabrade 49420 .4 hp Angle-Head Die Grinder, Rear Exhaust, 3,200 RPM, 1/4" Collet
Dynabrade 92013 1" Dia. x 1" W, 60 Grit, Z/A DynaCut Band, 10/pack
Dynabrade 90195 1" W x 15-1/2" L 60 Grit A/Z DynaCut Belt, 50/pack
Dynabrade 94876 25' Max Flow 5/16" I.D. Air Hose Assembly, Male (1/4") / Male (1/4") Fitting Ends Included
Dynabrade 50302 4" (102 mm) Dia. Right Angle Depressed Center Wheel Grinder, 1 HP, 12,000 RPM, 3/8"-24 Spindle
Dynabrade 97575 - 1/4" Safety Male Coupler w/Female Plug
Dynabrade 02051 Drop-In Motor
Dynabrade 40326 Dynafile II Abrasive Belt Tool for 20-1/2" Belts
Dynabrade 79122 1/2" W x 18" L 40 Grit DynaCut Premium Ceramic Belts, 50/pack
Dynabrade 95420 Knob Assembly
Dynabrade 79188 1/2" W x 18" L 120 Grit DynaCut Premium Ceramic Belts, 50/pack
Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
Dynabrade 53690 Grip
Dynabrade 93246 8" Dia. x 1/2" Center Hole, 150 Grit, A/O, Arbor-Mount Sanding Star
Dynabrade 69353 Vacuum Nozzle
Dynabrade 57906 Dynafine Raised Panel Detail Sander, .12 HP, 13,000 RPM, 1/32" Orbit
Dynabrade 50304 4-1/2"- 5" Dia. Vertical Disc Sander
Dynabrade 92076 3" Dia. x 120 Grit A/O Non-Vacuum Hook-Face Filmbac DynaCut Disc, 50/Pack
Dynabrade 53501 - .5 hp Straight-Line 7-1/4" Extension Die Grinder, Rear Exhaust, 18,000 RPM, 1/4" Collet
Dynabrade 91434 1/4" W x 24" L 60 Grit A/O DynaCut Belt, 50/pack
Dynabrade 53090 1/2" Pistol Grip Drill, .7 HP, Rear Exhaust, 950 RPM
Dynabrade X62ESD 6" Dia. Central-Vacuum Dynorbital Extreme Random Orbital Sander for ESD
Dynabrade 48335 .4 hp 7 Degree Offset Die Grinder, Rear Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 54771 4" (102 mm) Dia. Right Angle Type 27 Depressed Center Wheel Grinder, .7 HP, 12,000 RPM, 3/8"-24 Spindle
Dynabrade 59024 5" Dia. Central Vacuum Dynorbital-Spirit Random Orbital Sander, 3/16" Orbit
Dynabrade 78600 3/8" Dia. x 2" W x 1/8" Center Hole, 120 Grit, 100/pack
Standard Abrasives 730099, Ceramic Full Taper Cartridge Roll, 1/2 in x 1-1/2 in x 1/8 in 60, 7100102856
Dynabrade 52280 .55 hp Right Angle Die Grinder, Rear Exhaust, 15,00 RPM, 1/4" Collet
Dynabrade 59504 Dynorbital-Spirit Drop-In Motors (10 Pack)
Dynabrade 54791 4" (102 mm) Dia. Right Angle Type 27 Depressed Center Wheel Grinder, Steel Housing, .7 HP, 13,500 RPM, 3/8"-24 Spindle
Dynabrade 52293 .7 hp 7 Degree Offset Die Grinder, Rear Exhaust, Short Shank, 18,000 RPM, 1/4" Collet
Dynabrade 52679 1 hp Straight-Line 6" (152 mm) Extension Die Grinder, Rear Exhaust, 20,000 RPM, 1/4" Collet
Dynabrade 95730 O-Ring
Dynabrade 78552 1-1/2" Dia. 2-Set, 8-32 Female Center Thread, 180 Grit, Dynacut A/O Overlap Slotted Disc, 100/pack
Dynabrade 52089 Washer
Dynabrade 95422 Screw
Dynabrade 52573 4" (102 mm) Dia. Straight-Line Cut-Off Wheel Tool, Rear Exhaust, 1 HP, 15,000 RPM, 3/8"-24 Spindle
Dynabrade 15112 Retainer Clip
Dynabrade 57113 Rotor/Vane Set
Dynabrade 93351 Carbide Burr 12-Piece Burr Kit, 1/8" Shank
Dynabrade 43510 .4 hp 6" (152 mm) Extension Die Grinder, Front Exhaust, 25,000 RPM, 1/4" Collet
Dynabrade 54730 3" (76 mm) Dia. Right Angle Type 1 Cut-Off Tool, Rear Exhaust, .7 HP, 18,000 RPM, 3/8"-24 Spindle
Dynabrade 53183 Front Bearing Plate
Dynabrade 64993 2" x 36" (51 mm x 914 mm) Electric Tool Post Grinder (Air Tension), 2 hp, 2,850 RPM, Wet, 230 V (AC), 1 Phase, 50 Hz 
