Deburr, Blend and Finish Stainless Steel
3M Cloth Belt 777F contains a grinding aid that reduces running temperatures when used on heat-sensitive alloys like stainless steel, nickel alloys and cobalt alloys. The abrasive grain is bonded to the backing with resin to maintain durability under high heat and pressure. This belt is recommended for use on stainless steel or other exotic metal alloys for dimensioning parts, deburring, blending, and finishing castings and forgings.
Ceramic Abrasive Grain Boosts Performance
For increased performance, 777F products feature aluminum oxide blended with 3M ceramic abrasive grain for a harder, longer-lasting abrasive. Ceramic/aluminum oxide blend surpasses aluminum oxide abrasives in cut-rate and durability and makes the Cloth Belt 777F an excellent choice for moderate stock removal and surface preparation.
Sized to Suit Your Needs
These abrasive belts are available in various widths and lengths for sanding both wood and metal. We offer a broad selection of belts to fit most any industrial belt sander. Wider belts are used with wide belt sanders to dimension or finish wood panels, smooth rough-cut edges of metal sheets, or add a grain pattern to stainless steel sheets. Medium-width belts fit onto edge sanders for sanding flat, narrow surfaces such as panel edges; and narrow belts are used with portable belt sanders for sanding or blending wood pieces such as cabinet doors.
Find Your Flex
Belts come with various flexibilities and splices that join the belt ends. Our 3M Cloth Belt 777F has a film splice for added strength when grinding in high pressure applications. When greater flexibility may be needed to increase conformity or for a softer touch for finishing and blending, an L-flex provides more flexibility than the standard flex, and a full flex belt is the most flexible.
Applications
- Moderate stock removal
- Deburring stainless steel
- Finishing stainless steel
- Surface preparation

3M 27254, Ultra Durable 5 inch Power Sanding Discs, Universal Hole, 60 grit, 7100188460, 5 per pack
Dynabrade 97567 1/4" Safety Coupler, Male
3M 33439, Cubitron II File Belt, 33439, 60+, 10 mm x 330 mm (3/8 in x 13 in), 7100033194, 10 belts per carton, 5 cartons per case
3M 99633, Scotch-Weld Pressure Fit/High Temperature Retaining Compound RT48, Green, 250 mL Bottle, 7100170130, 2/case
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
Standard Abrasives 875702, MD Mini-Brush, 4-1/2 in x 4 in x 5/8-11 FB036 A XCS Medium Density, 7010369376
Dynabrade 51301 .5 hp Straight-Line Die Grinder
3M 20928, PSA Cloth Disc 348D, P180 X-weight, 1 in x NH, Die 100N, 7000118917
3M 26141, PPS Series 2.0 Adapter, Type S44, 3/8 Female, 19 Thread BSP, 7100158892
Dynabrade 78423 4-1/2" Dia. x 3/8" Very Fine DynaBrite Surface Conditioning Disc, 25/pack
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943
3M 16976, Scotch-Brite Light Cleansing Hand Pad 7445, HP-HP, Nepheline Syenite Super Fine, White, 6 in x 9 in, 7000000727, 60/Case
Standard Abrasive 78548, Ceramic Pro Type 29 High Density Flap Disc, 645183, 4 1/2 in x 7/8 40 Y-weight, 7010292440
Standard Abrasives 725007, Buff and Blend Cross Buff HS, A/O Medium, 1 in x 3/8 in x 2 Ply x 8-32, 7000046828
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737
Dynabrade 94992 1/4" Male Composite-Style Coupler with 1/4" Male Plug Assembly
3M 65490, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc DUH580TRI-10I, 5 inch UH, 80, 7100202887, 10 per pack
3M 26114, PPS Series 2.0 Spray Cup System Kit, Mini (6.8 fl oz, 200
mL), 200u Micron Filter, 7100135935
Dynabrade 92207 1/8" W x 12" L 120 Grit A/O DynaCut Belt, 50/pack
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
3M 55847, Dynamic Mixing System Nozzle, 50 per bag, 7000119977
Dynabrade 90873 2" Dia. Medium NWN DynaBrite Locking-Type Disc, 25/pack
3M Finesse-it Microfinishing Film Disc Roll 268L, 1-7/16 in x NH 7 Micron Scalloped, 7100040582
Norton 66261013403 - 3" X 1/2" Extra Coarse Grade Silicon Carbide Bear-Tex Rapid Strip TR Stripping Disc, 10 Each
Norton 66261199696 - 3" X 1/4" X 1/4" Vortex Rapid Blend Unified Wheel, 7AM U2305, 40 Each
Dynabrade 40320 Dynafile II Abrasive Belt Tool
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case
Standard Abrasives 713276, Aluminum Oxide Handy Roll, P180 J-weight, 2 in x 50 yd, 7100037246
3M 22396, Roloc Disc 361F, 36 YF-weight, TR, 1-1/2 in, Die R150S, 7000045091
Dynabrade 78380 3" Dia. x 1/2", Dyna Premium Rapid Strip TR Disc, 25/pack
3M 22404, Roloc Disc 361F, 80 YF-weight, TR, 3 in, Die R300V, 7000045100 
