Brand New! 3M 341D Aluminum Oxide Sanding Belt, 3" Width x 21" Length, 80 Grit, Box of 10
Our Item Number 3M-TB321-80X
3M Cloth Belt 341D is a durable aluminum oxide cloth belt recommended for your metal deburring, general metalworking, and some woodworking applications. It is suitable for wide belt, edge, or portable belt sanding, and can be used for a variety of applications on metal substrates and wood.
$
4.80 Each
$6.86
SAVE 30%
Ends Nov 03
Ends Nov 03
Grit:
Product Info Product Finish: Brown, Grit: 80, Product Form: Belt, Backing Material: Cloth, See more product details
Large Project?
Orders $2500+ Qualify for Special Discounts.
Build your item list and get a Quick Quote
view bid cartAll the product info you could ask for...
-
Size Info
- Product Length (Imperial) : 21"
- Product Width (Imperial) : 3"
-
Manufacturer Info
- Manufacturer : 3M
- Manufacturer Part # : TB321-80X
- Manufacturer Finish : Brown
-
Other Important Info
- Product Type : Sanding Belt
- Product Finish : Brown
- Grit : 80
- Product Form : Belt
- Abrasive Material : Aluminum Oxide
- Backing Material : Cloth
- Country of Origin : United States
- Application : Finishing, Sanding
Manufacturer Resources
Other - Wood Shop Tools
-
![3M Xtract 710W Net Sanding Disc, 5" Diameter, 120 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147451&p=sq-sm "3M Xtract 710W Net Sanding Disc, 5" Diameter, 120 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 5" Diameter, 120 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Xtract 710W Net Sanding Disc, 5" Diameter, 80 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147469&p=sq-sm "3M Xtract 710W Net Sanding Disc, 5" Diameter, 80 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 5" Diameter, 80 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Scotch-Brite Hook & Loop Sanding Disc, 5" Diameter, Very Fine, Aluminum Oxide, Hook & Loop, Maroon, Box of 40](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147484&p=sq-sm "3M Scotch-Brite Hook & Loop Sanding Disc, 5" Diameter, Very Fine, Aluminum Oxide, Hook & Loop, Maroon, Box of 40")
3M Scotch-Brite Hook & Loop Sanding Disc, 5" Diameter, Very Fine, Aluminum Oxide, Hook & Loop, Maroon, Box of 40 ![3M Xtract 710W Net Sanding Disc, 6" Diameter, 150 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147490&p=sq-sm "3M Xtract 710W Net Sanding Disc, 6" Diameter, 150 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 6" Diameter, 150 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Xtract 710W Net Sanding Disc, 5" Diameter, 150 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147493&p=sq-sm "3M Xtract 710W Net Sanding Disc, 5" Diameter, 150 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 5" Diameter, 150 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Xtract 710W Net Sanding Disc, 5" Diameter, 180 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147496&p=sq-sm "3M Xtract 710W Net Sanding Disc, 5" Diameter, 180 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 5" Diameter, 180 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Xtract 710W Net Sanding Disc, 6" Diameter, 180 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147511&p=sq-sm "3M Xtract 710W Net Sanding Disc, 6" Diameter, 180 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 6" Diameter, 180 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Stikit 426U Sanding Disc, 5" Diameter, 120 Grit, Silicon Carbide, PSA (Pressure Sensitive Adhesive), Gray, Box of 125](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147514&p=sq-sm "3M Stikit 426U Sanding Disc, 5" Diameter, 120 Grit, Silicon Carbide, PSA (Pressure Sensitive Adhesive), Gray, Box of 125")
3M Stikit 426U Sanding Disc, 5" Diameter, 120 Grit, Silicon Carbide, PSA (Pressure Sensitive Adhesive), Gray, Box of 125 ![3M Xtract 710W Net Sanding Disc, 5" Diameter, 320 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147523&p=sq-sm "3M Xtract 710W Net Sanding Disc, 5" Diameter, 320 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 5" Diameter, 320 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Xtract 710W Net Sanding Disc, 6" Diameter, 220 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147532&p=sq-sm "3M Xtract 710W Net Sanding Disc, 6" Diameter, 220 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 6" Diameter, 220 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Stikit 255L Sanding Disc, 5" Diameter, 180 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147547&p=sq-sm "3M Stikit 255L Sanding Disc, 5" Diameter, 180 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125")
3M Stikit 255L Sanding Disc, 5" Diameter, 180 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125 ![3M Stikit 255L Sanding Disc, 5" Diameter, 220 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147550&p=sq-sm "3M Stikit 255L Sanding Disc, 5" Diameter, 220 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125")
3M Stikit 255L Sanding Disc, 5" Diameter, 220 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125 ![3M Stikit 255L Sanding Disc, 5" Diameter, 80 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147553&p=sq-sm "3M Stikit 255L Sanding Disc, 5" Diameter, 80 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125")
3M Stikit 255L Sanding Disc, 5" Diameter, 80 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125 ![3M 341D Aluminum Oxide Sanding Belt, 3" Width x 21" Length, 80 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147571&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 3" Width x 21" Length, 80 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 3" Width x 21" Length, 80 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 100 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147574&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 100 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 100 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 120 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147577&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 120 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 120 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 80 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147583&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 80 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 80 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 100 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147586&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 100 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 100 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 120 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147589&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 120 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 120 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 60 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147592&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 60 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 60 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 80 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147595&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 80 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 4" Width x 24" Length, 80 Grit, Box of 10 ![3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 220 Grit, Pressure-Sensitive Adhesive](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147598&p=sq-sm "3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 220 Grit, Pressure-Sensitive Adhesive")
3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 220 Grit, Pressure-Sensitive Adhesive ![3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 100 Grit, Pressure-Sensitive Adhesive](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147601&p=sq-sm "3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 100 Grit, Pressure-Sensitive Adhesive")
3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 100 Grit, Pressure-Sensitive Adhesive ![3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 120 Grit, Pressure-Sensitive Adhesive](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147604&p=sq-sm "3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 120 Grit, Pressure-Sensitive Adhesive")
3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 120 Grit, Pressure-Sensitive Adhesive ![3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 180 Grit, Pressure-Sensitive Adhesive](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147607&p=sq-sm "3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 180 Grit, Pressure-Sensitive Adhesive")
3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 180 Grit, Pressure-Sensitive Adhesive ![3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 150 Grit, Pressure-Sensitive Adhesive](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147610&p=sq-sm "3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 150 Grit, Pressure-Sensitive Adhesive")
3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 150 Grit, Pressure-Sensitive Adhesive ![3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 80 Grit, Pressure-Sensitive Adhesive](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147613&p=sq-sm "3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 80 Grit, Pressure-Sensitive Adhesive")
3M Stikit 426U Silicon Carbide Sanding Roll, 4-1/2" Width x 10 Yards Length, 80 Grit, Pressure-Sensitive Adhesive ![3M Scotch-Brite 7447 Very Fine Hand Pad, 6" Width x 9" Length, Aluminum Oxide, Maroon, Box of 20](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147400&p=sq-sm "3M Scotch-Brite 7447 Very Fine Hand Pad, 6" Width x 9" Length, Aluminum Oxide, Maroon, Box of 20")
3M Scotch-Brite 7447 Very Fine Hand Pad, 6" Width x 9" Length, Aluminum Oxide, Maroon, Box of 20 ![3M Xtract 710W Net Sanding Disc, 6" Diameter, 120 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147463&p=sq-sm "3M Xtract 710W Net Sanding Disc, 6" Diameter, 120 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 6" Diameter, 120 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Scotch-Brite 7448 Ultra Fine Hand Pad, 6" Width x 9" Length, Silicon Carbide, Gray, Box of 20](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147478&p=sq-sm "3M Scotch-Brite 7448 Ultra Fine Hand Pad, 6" Width x 9" Length, Silicon Carbide, Gray, Box of 20")
3M Scotch-Brite 7448 Ultra Fine Hand Pad, 6" Width x 9" Length, Silicon Carbide, Gray, Box of 20 ![3M Xtract 710W Net Sanding Disc, 6" Diameter, 80 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147487&p=sq-sm "3M Xtract 710W Net Sanding Disc, 6" Diameter, 80 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 6" Diameter, 80 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Xtract 710W Net Sanding Disc, 5" Diameter, 220 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147520&p=sq-sm "3M Xtract 710W Net Sanding Disc, 5" Diameter, 220 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50")
3M Xtract 710W Net Sanding Disc, 5" Diameter, 220 Grit, Precision Shaped Ceramic, Hook & Loop, Purple, Box of 50 ![3M Stikit 255L Sanding Disc, 5" Diameter, 100 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147538&p=sq-sm "3M Stikit 255L Sanding Disc, 5" Diameter, 100 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125")
3M Stikit 255L Sanding Disc, 5" Diameter, 100 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125 ![3M Stikit 255L Sanding Disc, 5" Diameter, 120 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147541&p=sq-sm "3M Stikit 255L Sanding Disc, 5" Diameter, 120 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125")
3M Stikit 255L Sanding Disc, 5" Diameter, 120 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125 ![3M Stikit 255L Sanding Disc, 5" Diameter, 150 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147544&p=sq-sm "3M Stikit 255L Sanding Disc, 5" Diameter, 150 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125")
3M Stikit 255L Sanding Disc, 5" Diameter, 150 Grit, Aluminum Oxide, PSA (Pressure Sensitive Adhesive), Gold, Box of 125 ![3M 341D Aluminum Oxide Sanding Belt, 3" Width x 21" Length, 120 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147568&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 3" Width x 21" Length, 120 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 3" Width x 21" Length, 120 Grit, Box of 10 ![3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 60 Grit, Box of 10](https://cdn-media.cabinetparts.com/primary_product.jpg?id=147580&p=sq-sm "3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 60 Grit, Box of 10")
3M 341D Aluminum Oxide Sanding Belt, 3" Width x 24" Length, 60 Grit, Box of 10 
Reviews about our customers experience
"These reviews are from our Customers who have purchased these products."
- 5 of 5 | October 27th, 2026
Order placed and item received was exactly what I needed
- 4 of 5 | October 26th, 2026
The needed replacement parts arrived in good order and in good time
- 5 of 5 | October 26th, 2026
We needed two custom drawers for our bedside tables. Gave them the dimensions (HxWxD), top or side sliders, type of wood and ten days later they appeared at my door!Great people to deal with each time I order something!
- 5 of 5 | October 25th, 2026
Our ten year old drawer wouldn’t open or close all the way. I ordered a replacement on line and it works perfectly.
- 5 of 5 | October 25th, 2026
Great product, order process was gravy and delivery was quick!
× ![]()
Pinterest
Twitter
YouTube
Facebook