Durable and Dependable
We engineer 3M Fibre Disc 381C by adhering aluminum oxide mineral to a fibre backing. The closed coat construction on 3M Fibre Disc 381C means mineral grains cover nearly 100% of the backing, so the abrasive is durable under pressure. The stiff fibre backing is extremely durable, withstanding wear, while standing up to tough applications like beveling.
Tips for Optimal Use
Altogether, fiber discs are durable abrasive discs that deliver a fast cut for grinding and weld removal, and they come in a range of sizes to correspond to large or small welds. Fiber discs also work well for blending (creating a smooth surface after weld removal) and provide a consistent finish over the workpiece. These discs may be used with portable tools, facilitating easier access with the workpiece. For optimal performance, the disc should be used with a face plate of the appropriate density for the application – a lighter density face plate for finer grade applications and a harder density face plate for more coarse grinding applications. Using the correct face plate for the application ensures that the abrasive mineral will re-sharpen, maximizing the life of the abrasive.
Good for General Purpose Metalworking
When it comes to our 3M Fibre Disc product offerings, we recommend operators choose the performance level suited to their unique project needs. 3M Fibre Disc 381C offers an economical solution for a general purpose metalworking disc, because it can perform well on a variety of projects without sacrificing performance. Given its versatility, you’ll find the 3M Fibre Disc is applicable in many markets, as evidenced by its use in the marine and metalworking industries as well as in maintenance and repair operations. 3M Fibre Disc 381C is a great multi-purpose disc that’s good to have on hand.

3M 98242, Marine Adhesive Sealant 3000 UV, Black, 290 mL Cartridge, 7100111111, 12/Case
3M 77559, Cubitron II Hookit Cloth Disc 784F, 77559, 36+ to 120+, 5 in x NH, Die 500X, 7100232738
Insize ISV-1H4173, RIGID BORESCOPE, 6.85", 6928640323768
3M 80766, Cloth Spiral Band 747D, 50 X-weight, 1 in x 1 in, 7100138164
Standard Abrasives 727086, Surface Conditioning Band, 1 in x 1 in CRS, 7100062984
Dynabrade 91069 1" Dia. x 1" W, 80 Grit, Z/A DynaCut Band, 10/pack
3M 45528, Cloth Spiral Band 341D, P180 X-weight, 1 in x 1 in, 7010309037
3M 71361, 641WY 1/4" X 24", 1200 Mesh Diamond Cloth Belt, 7010534916
3M 07466, Scotch-Brite Roloc+ Clean and Strip Disc 7466, 4 in x 1/2 in S XCS, 7000120779, 10/case
ACS Diamond Cloth Belt, CX1250 3" X 30" 45U
3M 28830, 675L, 1/2" X 72", 74u, Diamond Microfinishing Film Belt 7010508919
Standard Abrasives 701217, Aluminum Oxide Spiral Band, 60, 1 in x 1 in, 7100138185
3M 80782, Cloth Spiral Band 747D, 1 in x 1 in P120 X-weight, 7010328805
Dynabrade 78469 2" Dia. x 1", 1/4-20 Female Center Thread, A/O, 60 Grit, 8-Ply J-DynaCut Cross Pad, 100/pack
3M 97428, Cloth Spiral Band 341D, 1/4 in x 1/2 in, P120 X-weight, 7100137354
3M 05280, Marine Adhesive Sealant 4000 UV, White, 3 oz Tube, 7000121531, 6/Case
3M 34672, 641WY, 1/2" X 64", 100 Mesh, Diamond Cloth Belts 7100111364
ACS CX1250 Diamond Belt, 1/2" X 24" 74u
Dynabrade 92208 1/8" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
Dynabrade 78596 3/8" Dia. x 1-1/2" W x 1/8" Center Hole, 120 Grit, 100/pack
ACS Diamond Grinding Disc, 4-1/2" Dia. X 5/8"-11 Center Hub Thread, Type 29, 36 Grit
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M 20230, Scotch-Seal Metal Sealant 2084, Silver, 5 Gallon Drum (Pail), 7000046344
3M 29611, 641WY 1/4" X 24", 100 Mesh Diamond Cloth Belt, 7010534832
3M 16115, PPS Cup & Collar, Mini, 7000028417, 2 per carton
3M 16066, PPS Mix Ratio Inserts, Mini (6 fl oz), 7000120511
3M 15913, Scotch-Brite Roloc Disc High Strength, TR, 2 in X NH A Medium, 7000000710
Standard Abrasives 713438, Spiral Band, 2 in x 2 in 36, 7010367811
3M™ 72016, Remote Alarm & Strobe 529-05-20, Audible, 7000131708, 1 EA/Case
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 21703, Hot Melt Valve Assembly Kit 9223 for PG II and PG II LT Applicators, 7000046636
3M 77558, Cubitron II Hookit Cloth Disc 947A, 77558, 40+ to 120+, 6 in x NH, Die 600Z, 7100232737 
