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Premium materials the 3x21 belt sander sanding belts are made of premium open coat aluminum oxide grain with high adhesives. 100% satisfaction guarantee: we are confident in the quality of our sanding belts and offer a 100% satisfaction guarantee.
Reinforced belt joint boshcraft 3x21 sanding belt with smooth seam line, which have strong adhesive German joint tape on the cloth backing to eliminate splice bumps. With a tensile strength of over 2000N, the 3x21 sanding belt is highly resistant to breakage. The joint of sand surface is flat and firm to keep belt sander not jump during the grinding process. If you have any questions or concerns about our product, please do not hesitate to contact us. We will be happy to assist you and resolve any issues within 24 hours.


Dimensions: 15. 4 x 6. 2 x 6. 1 inches wxHxD; weighs 8. 2 pounds; 2-year warranty. Dust collector keeps work area clean for improved visibility.
Innovative front roller allows you to reach even the tightest corners with ease. Includes medium grit sanding belt, dust bag, and instruction manual. Angled belt – 3 in. Sanding belt sands 3x closer to the edge of adjoining surfaces. X 21 in. 7. 0 amp motor – delivers maximum power for maximum performance.




Dust collection: Dust collection bag reduces airborne particles and keeps the work area clean. Dust collection: left-side mounted dust collection bag improves corner sanding applications while reducing airborne particles to keep work area clean.

Jellas provide 2 Year Customer Support. Installing belt - when installing the sanding belt, which enables the belt a longer life, please keep the arrow on the belt in the same direction of the arrow on the machine, avoiding leaving scratches on the board.2
10 pcs sanding belts gifts - the belt sanders for woodworking come with 2pcs 40 grits, 2pcs 120 grits and 2pcs 180 grits aluminum oxide sanding belts, 2pcs 80 grits, 2pcs 60 grits, they can save your money, meeting the requirements for your different projects.7amp & 3" x 21" sander - jellas electric sander is 7amp and the size is 3" x 21". The dust bag is more advantageous than the dust box.

Great for smoothing surfaces and edges, furniture, wood, the belt can hold up really well to metal when deburring.
4 grit sizes - there are 4 different grit sizes of abrasive belts, 2pcs 60 grit, and 3pcs 120 grit, 3pcs 80 grit, 2pcs 40 grit, which can meet your different needs and help you save more time. It is more sharp and wear-resistant than red aluminum oxide sanding belt and black silicon carbide sanding belt, and the blue zirconia sanding belt can grind metals with higher hardness. Widely used - the sanding belts are ideal for sanding metal, automobiles, stainless steel.

2 in 135mm and 32mm vacuum dust adapter makes it possible to connect your vacuum cleaner, reaching the perfect dust collection effect. Power & variable-speed design - 7 amp, 120v motor rotates the belt at over 13 feet per second.
High effective dust collection bag - the dust collecting bag is detachable, can be easily installed and removed, easy to clean dust. 10 pcs sanding belts - the deck sander comes with 2pcs 40 grits, they can save your money, 2pcs 120 grits and 2pcs 180 grits aluminum oxide sanding belts, 2pcs 80 grits, 2pcs 60 grits, meeting the requirements for your different projects. Variable-speed knob with 6 dials enables you to match the best speed to the application from 120-400rpm.
1. BOSHCRAFT
#ad
21 Pack Belt Sander Paper 40/60/80/120/180/240/400 Grits Assortment Sanding Belt for Belt Sander Premium Knife Sharpening Woodworking Metal Polishing, Boshcraft 3 x 21 Inch Sanding Belts
#adBOSHCRAFT #ad - Features anti-static and anti-clogging, not easy to drop sand. The aluminum oxide sanding belts are perfect for grinding the surfaces of wood, among other materials. Assorted grit sanding belts sanding belts set includes 3 pieces of 3x21 sanding belts in 40/60/80/120/180/240/400 grits, and shaving boards, metal, plywood, providing you with a range of options to meet your various sanding needs.Premium materials the 3x21 belt sander sanding belts are made of premium open coat aluminum oxide grain with high adhesives. 100% satisfaction guarantee: we are confident in the quality of our sanding belts and offer a 100% satisfaction guarantee.
More information #ad
Double durable premium aluminum oxide are bond on x-weight cloth base with phenolic resin providing maximum longevity & long-lasting durability than regular abrasives. Reinforced belt joint boshcraft 3x21 sanding belt with smooth seam line, which have strong adhesive German joint tape on the cloth backing to eliminate splice bumps. With a tensile strength of over 2000N, the 3x21 sanding belt is highly resistant to breakage. The joint of sand surface is flat and firm to keep belt sander not jump during the grinding process. If you have any questions or concerns about our product, please do not hesitate to contact us. We will be happy to assist you and resolve any issues within 24 hours.
Brand | BOSHCRAFT #ad |
Manufacturer | BOSHCRAFT #ad |
Part Number | 3*21 inch Sander belts |
Model | 3*21 inch Sander belts |
More information #ad
2. WEN
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WEN 6321 7-Amp 3 in. x 21 in. Corded Belt Sander with Dust Bag , Black
#adWEN #ad - Backed by a two-year warranty and a nationwide network of skilled technicians. Compact design weighs in at a mere six pounds to limit the fatigue of the user.More information #ad
Lock-in safety feature allows for continuous sanding without requiring a constant grip on the trigger. Includes a detachable dust bag to minimize clean-up. 7-amp motor rotates the belt at over 13 feet per second.Brand | WEN #ad |
Manufacturer | Great Lakes Tool MFG INC #ad |
Height | 6.5 Inches |
Length | 12 Inches |
Weight | 6.2 Pounds |
Width | 6 Inches |
Part Number | 6321 |
Model | 6321 |
Warranty | 2 year warranty |
More information #ad
3. BLACK+DECKER
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BLACK+DECKER Belt Sander with Dust Bag, 7-Amp, 3-Inch by 21-Inch DS321
#adBLACK+DECKER #ad - Includes – 1 ds321 sander, 1 medium grit sanding belt, 1 dust bag. Corded – corded design offers unlimited runtime for even the biggest jobs. On-board dust collection – easy-empty dust bag keeps your work area cleaner and improves visibility of the worksurface.Dimensions: 15. 4 x 6. 2 x 6. 1 inches wxHxD; weighs 8. 2 pounds; 2-year warranty. Dust collector keeps work area clean for improved visibility.
More information #ad
3-position handle – adjustable handle keeps you comfortable in different orientations and helps reduce muscle fatigue. Flush, low-profile design – provides an extended reach for enhanced functionality and allows for sanding vertical surfaces. Innovative front roller allows you to reach even the tightest corners with ease. Includes medium grit sanding belt, dust bag, and instruction manual. Angled belt – 3 in. Sanding belt sands 3x closer to the edge of adjoining surfaces. X 21 in. 7. 0 amp motor – delivers maximum power for maximum performance.
Brand | BLACK+DECKER #ad |
Manufacturer | Black & Decker #ad |
Height | 6.32 Inches |
Length | 15.25 Inches |
Weight | 6.5 Pounds |
Width | 6.32 Inches |
Part Number | DS321 |
Model | DS321 |
More information #ad
4. Makita
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Makita 9903 3" x 21" Belt Sander
#adMakita #ad - Innovative design for sanding flush to wall with nose and side of sander. Variable speed control dial 690 -1, 440 ft. Min.More information #ad
Powerful 8. 8 amp motor; only 85dB. Front grip design for comfortable operation. To match the speed to the application. Auto-tracking belt system tracks belt without adjustment.Brand | Makita #ad |
Manufacturer | Makita #ad |
Height | 6.19 Inches |
Length | 11.63 Inches |
Weight | 9.5 Pounds |
Width | 5.63 Inches |
Part Number | 9903/2 |
Model | 9903 |
Warranty | 1 Year |
More information #ad
5. Ur-Excellent
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3x21 3 x 21 Inch Sanding Belt Pack 3-Inch x 21-Inch,12 Pcs4 Each of 80 120 150 Grits Aluminum Oxide for Sander
#adUr-Excellent #ad - Antistatic, washable plus an additive in the resin to resist loading. Made with Premium Aluminum Oxide grain. The belt interface is firm and will not break easily By the Diagonal lap splice technology.More information #ad
12 pcs assortment includes 4 each of 80 / 120 / 150 Grits. It is mainly used for wood / plastic / non-ferrous metal / aluminum / glass / stone ect.Brand | Ur-Excellent #ad |
Manufacturer | Ur-Excellent #ad |
Height | 4 Inches |
Length | 6.2 Inches |
Width | 4 Inches |
Model | 75 x 533mm |
More information #ad
6. Craftsman
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CRAFTSMAN Belt Sander, 3-Inch x 21-Inch CMEW213
#adCraftsman #ad - 7. 0 amp 3in. Hook and accessories sold separately. High performance dust collection featuring onboard dust bag. Compatible with the versatraCK Wall Organization System. Max 800 fpm for fast material removal.More information #ad
Tool-free belt release for quick and easy belt changes. 3position over molded handle improves comfort during use. Belt sander with an angled belt Design to sand closer to adjoining surfaces. 3 year limited warranty, refer to "Warranty & Support" section below for full details. X 21in.Brand | Craftsman #ad |
Manufacturer | CRAFTSMAN #ad |
Height | 5.64 Inches |
Length | 14.37 Inches |
Weight | 6.64 Pounds |
Width | 5.44 Inches |
Part Number | CMEW213 |
Model | CMEW213 |
More information #ad
7. Metabo HPT
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Metabo HPT Belt Sander | 3 x 21 Inch | For Woodworking | Variable Speed | 9.0 Amp Motor | Soft Grip | 5-Year Warranty | SB8V2
#adMetabo HPT #ad - Warranty: comes with professional 5-year limited warranty. Greater visability: Clear front cover, improves visibility when sanding up against a surface.Dust collection: Dust collection bag reduces airborne particles and keeps the work area clean. Dust collection: left-side mounted dust collection bag improves corner sanding applications while reducing airborne particles to keep work area clean.
More information #ad
Speed control: variable speed dial at base of handle for various applications and improved manageability. Design: flush surface design allows for quick and even sanding. Motor: 9 amp 1, 020-watt motor, forcible power for the toughest sanding jobs. Includes: sb8v2 belt sander, Sanding Belt, Dust Bag.Brand | Metabo HPT #ad |
Manufacturer | Koki Holdings America, Ltd #ad |
Height | 4 Inches |
Length | 6 Inches |
Weight | 9.5 Pounds |
Width | 6.75 Inches |
Part Number | SB8V2 |
Model | SB8V2 |
Warranty | 5 year |
More information #ad
8. Jellas
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7Amp Sander Machine with Variable-speed Control, 10Feet 3 meters Length Power Cord BS750-SD, Jellas 3 × 21-Inch Belt Sander with Dust Bag, 2 in 1 Vacuum Adapter
#adJellas #ad - Variable-speed knob with 6 dials enables you to match the best speed to the application from 120-400rpm. If you have any problems about the belt sander, don't hesitate to contact us. The dust bag has exhaust holes to prevent dust from entering the motor again and affect the service life of the motor.Jellas provide 2 Year Customer Support. Installing belt - when installing the sanding belt, which enables the belt a longer life, please keep the arrow on the belt in the same direction of the arrow on the machine, avoiding leaving scratches on the board.2
More information #ad
2 in 1 function - bench & belt sander - jellas belt sander with 2 metal C clamps, it can be turned over and fixed to table, acting as a bench sander, lock-on button will help you free your hand and release stress. Dust bag is better than dust box - the dust collecting bag is detachable, can be easily installed and removed, easy to clean dust. 10 pcs sanding belts gifts - the belt sanders for woodworking come with 2pcs 40 grits, 2pcs 120 grits and 2pcs 180 grits aluminum oxide sanding belts, 2pcs 80 grits, 2pcs 60 grits, they can save your money, meeting the requirements for your different projects.7amp & 3" x 21" sander - jellas electric sander is 7amp and the size is 3" x 21". The dust bag is more advantageous than the dust box.
Brand | Jellas #ad |
Manufacturer | Jellas #ad |
Weight | 7.04 Pounds |
Model | BS02-SD |
More information #ad
9. B BRESUCNY
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3 x 21 Inch 10PCS Zirconia Sanding Belts 2 Each of 40 60 Grit, Wood, 10-Pack, Cars, 3 Each of 80 120 Grit, 3x21 Belt Sander Sanding Belts, Belt Sander Paper Sanding Belts for Metal, Furniture
#adB BRESUCNY #ad - Strong and durable - our sanding belt fully adopts bonded resin to make the adhesion between sand and belt higher, offering fast and durable sanding, heat dissipation is better when sanding, and the grain is not easy to fall. Smooth seam, and our factory uses high-quality glue to connect the joints of the sanding belts, so the thickness of the joints is as thick as the belt, Not Easy to Break - The sanding belts adopts the splicing process, and there will be no bumps and bumps during operation.Great for smoothing surfaces and edges, furniture, wood, the belt can hold up really well to metal when deburring.
More information #ad
High quality material - the sanding belt is made of blue zirconia particles, which is waterproof, high hardness, and heat-resistant. It is also not easy to break. 4 grit sizes - there are 4 different grit sizes of abrasive belts, 2pcs 60 grit, and 3pcs 120 grit, 3pcs 80 grit, 2pcs 40 grit, which can meet your different needs and help you save more time. It is more sharp and wear-resistant than red aluminum oxide sanding belt and black silicon carbide sanding belt, and the blue zirconia sanding belt can grind metals with higher hardness. Widely used - the sanding belts are ideal for sanding metal, automobiles, stainless steel.
Brand | B BRESUCNY #ad |
Manufacturer | B BRESUCNY #ad |
Part Number | 75x533-10 |
Model | 75x533-10 |
More information #ad
10. Jellas
#ad
BS750, 2 in 1 Vacuum Adapter, Bench Sander with Variable-speed Control, Jellas 7Amp Belt Sander 3 × 21-Inch with Dust Bag, 10 Feet 3 Meters Length Power Cord
#adJellas #ad - If you have any problems about the belt sander, don't hesitate to contact us. Bench & belt sander - jellas belt sander with 2 metal C clamps, lock-on button will help you release your hand, acting as a bench sander, it can be turned over and fixed to table, reduce your work intensity.2 in 135mm and 32mm vacuum dust adapter makes it possible to connect your vacuum cleaner, reaching the perfect dust collection effect. Power & variable-speed design - 7 amp, 120v motor rotates the belt at over 13 feet per second.
More information #ad
Installing belt - when installing the sanding belt, which enables the belt a longer service life, please keep the arrow on the belt in the same direction of the arrow on the machine, avoiding leaving scratches on the board. Jellas provide 2 Year Customer Support. High effective dust collection bag - the dust collecting bag is detachable, can be easily installed and removed, easy to clean dust. 10 pcs sanding belts - the deck sander comes with 2pcs 40 grits, they can save your money, 2pcs 120 grits and 2pcs 180 grits aluminum oxide sanding belts, 2pcs 80 grits, 2pcs 60 grits, meeting the requirements for your different projects. Variable-speed knob with 6 dials enables you to match the best speed to the application from 120-400rpm.
Brand | Jellas #ad |
Manufacturer | Jellas #ad |
Weight | 9.7 Pounds |
Part Number | BS02 |
Model | BS02 |
More information #ad