Free Shipping on orders over $250
USA dollar USD
  • USD USA dollar (USD $)
  • CAD Canadian Dollar (CAD $)
  • Login
  • Register
  • facebook
  • Inst
  • Link
  • Youtube
SandPaper.ca

SandPaper.ca

1-800-684-9262
0 Wishlist 0 Cart
  • Home
  • Top Products
  • Industries
    • Woodworking
    • Metalworking
    • Floor Sanding
    • Truck Polishing
    • Knife Making
    • Autobody/Marine
  • Sanding Belts
    • All Other Sizes
    • 1/4″ X 18″ Sanding Belts
    • 1/4″ X 24″ Sanding Belts
    • 3/8″ X 13″ Sanding Belts
    • 1/2″ X 12″ Sanding Belts
    • 1/2″ X 18″ Sanding Belts
    • 1/2″ x 24″ Sanding Belts
    • 3/4″ X 18″ Sanding Belts
    • 3/4″ X 20-1/2″ Sanding Belts
    • 1″ X 30″ Sanding Belts
    • 1″ X 42″ Sanding Belts
    • 1″ X 48″ Sanding Belts
    • 1″ X 132″ Sanding Belts
    • 1-1/8″ X 21″ Sanding Belts
    • 2″ X 42″ Sanding Belts
    • 2″ X 48″ Sanding Belts
    • 2″ X 60″ Sanding Belts
    • 2″ X 72″ Sanding Belts
    • 2″ X 132″ Sanding Belts
    • 2-1/2″ X 14″ Sanding Belts
    • 2-1/2″ X 16″ Sanding Belts
    • 3″ X 18″ Sanding Belts
    • 3″ X 20″ Sanding Belts
    • 3″ X 21″ Sanding Belts
    • 3″ X 24″ Sanding Belts
    • 3″ X 79″ Sanding Belts
    • 3″ X 132″ Sanding Belts
    • 3-1/2″ X 15-1/2″ Sanding Belts
    • 4″ X 21″ Sanding Belts
    • 4″ X 24″ Sanding Belts
    • 4″ X 36″ Sanding Belts
    • 4″ X 106″ Sanding Belts
    • 4″ X 132″ Sanding Belts
    • 6″ X 48″ Sanding Belts
    • 6″ X 60″ Sanding Belts
    • 6″ X 80″ Sanding Belts
    • 6″ X 89″ Sanding Belts
    • 6″ X 108″ Sanding Belts
    • 6″ X 132″ Sanding Belts
    • 6″ X 158″ Sanding Belts
    • 7-7/8″ X 29-1/2″ Sanding Belts
    • 8″ X 19″ Sanding Belts
    • 9″ X 10-5/8″ Pump Sleeve Belt
    • 9″ X 13-3/4″ Pump Sleeve Belt
    • 9″ X 20″ Pump Sleeve Belt
    • 9″ X 26-1/4″ Pump Sleeve Belt
  • Discs
    • Hook and Loop (Velcro)
    • PSA (Sticky backed)
    • Surface Finishing Discs
    • Resin Fibre Disc
    • Quick Change Discs
    • Flap Disc
    • Floor Sanding Discs
    • Accessories
  • Cutting & Grinding
    • Carbide Burrs
    • Cut Off Wheels
    • Grinding Wheels
    • Bench Grinding Wheels
    • Tool Room Wheels
    • Flap Discs
    • Resin Fibre Discs
  • Buffing and Polishing
    • Buffing Wheels
    • Bar Compounds
    • Car Polishing Compounds
    • Surface Preperation
    • Sanding
    • Buffing Accessories
  • Sheets, Rolls & Specialties
    • Drum Sanding Rolls
    • Shop Rolls
    • Non-Woven Rolls
    • Hook and loop Sheets (Velcro)
    • Micro Grit Finishing Sheets
    • Sponges
    • Spiral Bands
    • Rubber Blocks
    • Floor Sanding Sheets
  • Contact Us
SandPaper.ca
Search 0 Cart

3 x 21 sanding belt

Home / Products tagged “3 x 21 sanding belt”
1Product Found
  • 3"x21" Aluminum Oxide Cloth Closed Coat Belt
    -10%

    3″x21″ Aluminum Oxide Cloth Closed Coat Belt

    Package Quantity: 12 Belts Length: 21" Width: 3" Material: Aluminum Oxide Closed Coat Cloth $20.39 – $26.18Price range: $20.39 through $26.18
    Package Quantity: 12 Belts Length: 21" Width: 3" Material: Aluminum Oxide Closed Coat Cloth
    Select options

Sign up for our Newsletter!

Please enable JavaScript in your browser to complete this form.
Loading

Over 25 years we have become synonymous with outstanding value and consistently great products for wood workers, bowl turners, automotive work and more….

Quick Links

  • Home
  • About
  • Blog
  • Shipping & Returns Policy

USEFUL LINKS

  • Sanding Belts
  • Buffing & Polishing
  • Carbide Burrs
  • Flap Discs
  • Wheels
  • Discs
  • Rolls
  • Sheets

Contact Us

  • 380 Sheldon Dr. Unit 7/8 Cambridge, ON, N1T 2C2
  • Toll Free: 800-684-9262
  • info@sandpaper.ca

© 2026 Sandpaper.ca. All Rights Reserved. | Privacy Policy | Terms & Conditions

Follow us on

Search our site
View all
Shopping Cart

Your cart is empty

You may check out all the available products and buy some in the shop

Return to shop
  • Home
  • Top Products
  • Industries
    • Woodworking
    • Metalworking
    • Floor Sanding
    • Truck Polishing
    • Knife Making
    • Autobody/Marine
  • Sanding Belts
    • All Other Sizes
    • 1/4″ X 18″ Sanding Belts
    • 1/4″ X 24″ Sanding Belts
    • 3/8″ X 13″ Sanding Belts
    • 1/2″ X 12″ Sanding Belts
    • 1/2″ X 18″ Sanding Belts
    • 1/2″ x 24″ Sanding Belts
    • 3/4″ X 18″ Sanding Belts
    • 3/4″ X 20-1/2″ Sanding Belts
    • 1″ X 30″ Sanding Belts
    • 1″ X 42″ Sanding Belts
    • 1″ X 48″ Sanding Belts
    • 1″ X 132″ Sanding Belts
    • 1-1/8″ X 21″ Sanding Belts
    • 2″ X 42″ Sanding Belts
    • 2″ X 48″ Sanding Belts
    • 2″ X 60″ Sanding Belts
    • 2″ X 72″ Sanding Belts
    • 2″ X 132″ Sanding Belts
    • 2-1/2″ X 14″ Sanding Belts
    • 2-1/2″ X 16″ Sanding Belts
    • 3″ X 18″ Sanding Belts
    • 3″ X 20″ Sanding Belts
    • 3″ X 21″ Sanding Belts
    • 3″ X 24″ Sanding Belts
    • 3″ X 79″ Sanding Belts
    • 3″ X 132″ Sanding Belts
    • 3-1/2″ X 15-1/2″ Sanding Belts
    • 4″ X 21″ Sanding Belts
    • 4″ X 24″ Sanding Belts
    • 4″ X 36″ Sanding Belts
    • 4″ X 106″ Sanding Belts
    • 4″ X 132″ Sanding Belts
    • 6″ X 48″ Sanding Belts
    • 6″ X 60″ Sanding Belts
    • 6″ X 80″ Sanding Belts
    • 6″ X 89″ Sanding Belts
    • 6″ X 108″ Sanding Belts
    • 6″ X 132″ Sanding Belts
    • 6″ X 158″ Sanding Belts
    • 7-7/8″ X 29-1/2″ Sanding Belts
    • 8″ X 19″ Sanding Belts
    • 9″ X 10-5/8″ Pump Sleeve Belt
    • 9″ X 13-3/4″ Pump Sleeve Belt
    • 9″ X 20″ Pump Sleeve Belt
    • 9″ X 26-1/4″ Pump Sleeve Belt
  • Discs
    • Hook and Loop (Velcro)
    • PSA (Sticky backed)
    • Surface Finishing Discs
    • Resin Fibre Disc
    • Quick Change Discs
    • Flap Disc
    • Floor Sanding Discs
    • Accessories
  • Cutting & Grinding
    • Carbide Burrs
    • Cut Off Wheels
    • Grinding Wheels
    • Bench Grinding Wheels
    • Tool Room Wheels
    • Flap Discs
    • Resin Fibre Discs
  • Buffing and Polishing
    • Buffing Wheels
    • Bar Compounds
    • Car Polishing Compounds
    • Surface Preperation
    • Sanding
    • Buffing Accessories
  • Sheets, Rolls & Specialties
    • Drum Sanding Rolls
    • Shop Rolls
    • Non-Woven Rolls
    • Hook and loop Sheets (Velcro)
    • Micro Grit Finishing Sheets
    • Sponges
    • Spiral Bands
    • Rubber Blocks
    • Floor Sanding Sheets
  • Contact Us
Filter
Refine by
Product Categories
  • Accessories0
    • Backup Pads0
    • Buffing Accessories0
    • Conversion Pads0
    • Rubber Blocks0
  • Belt0
  • Bench & Pedestal Grinding0
    • Bench Wheels0
  • Buffing and Polishing0
    • Bar Compound0
    • Buffing Accessories0
      • Center Plates0
      • Flanges & Extenstions0
      • Rakes0
    • Buffing Wheel0
      • 10" Airway Buff0
      • 8" Airway Buff0
      • Stitched Buff0
    • Car Polishing Compound0
    • Sanding0
      • Hook and Loop (Velcro)0
      • PSA Disc (Sticky backed)0
    • Surface Preperation0
      • Blend Disc0
      • Surface Conditioning Discs0
  • Carbide Burr0
    • Shape "A"0
    • Shape "B"0
    • Shape "C"0
    • Shape "D"0
    • Shape "E"0
    • Shape "F"0
    • Shape "G"0
    • Shape "H"0
    • Shape "L"0
    • Shape "M"0
  • Cut off and Grinding0
    • Chop Saw Wheel0
    • Gas Saw Wheel0
    • Grinding Wheels0
    • Thin Cut off Wheel0
  • Diamond0
    • Diamond Blades0
    • Diamond Core Bits0
    • Diamond Cup Wheels0
  • Disc - Hook and Loop / PSA0
    • Hook & Loop (Velcro)0
    • PSA (Sticky backed)0
  • Discs0
    • Accessories0
      • Backup Pads0
      • Conversion Pad0
      • Mandrels0
      • Rubber Blocks0
    • Flap Disc0
      • Mini Flap Disc0
      • Premium Flap Disc0
      • Trimmable Plastic Flap Disc0
    • Floor Sanding Discs0
    • Hook and Loop (Velcro)0
    • PSA Disc (Sticky backed)0
    • Quick Change0
      • Type "R" Quick Change Disc0
      • Type "S" Quick Change Disc0
    • Resin Fibre Disc0
    • Surface Finishing0
      • Blend Disc0
      • Surface Conditioning Discs0
  • Industries0
    • Autobody/ Marine0
      • Hook and Loop Disc (Velcro)0
      • Polishing Compound0
      • Resin Fibre Disc0
      • Sanding Belts1
      • Sheets0
    • Floor Sanding0
      • Floor Polishing Pads0
      • Floor Sanding Belts0
      • Floor Sanding Discs0
      • Floor Sanding Sheets0
    • Knife Making0
      • Bar Compound0
      • Buffing Wheel0
        • 10" Airway Buff0
        • 8" Airway Buff0
        • Stitched Buff0
      • Sanding Belts0
      • Sheets0
    • Metalworking0
      • Bench Grinding Wheel0
      • Carbide Burr0
        • Shape "A"0
        • Shape "B"0
        • Shape "C"0
        • Shape "D"0
        • Shape "E"0
        • Shape "F"0
        • Shape "G"0
        • Shape "H"0
        • Shape "L"0
        • Shape "M"0
      • Cut off Wheel0
        • Large Diameter Cutting0
        • Thin Cut off Wheel0
      • Flap Disc0
      • Grinding Wheel0
      • Resin Fibre Disc0
      • Sanding Belts0
      • Tool Room Wheel0
    • Truck Polishing0
      • Bar Compound0
      • Buffing Wheel0
        • 10" Airway Buff0
        • 8" Airway Buff0
        • Stitched Buff0
      • Car Polishing Compound0
      • Hook and Loop Discs (velcro)0
      • Polishing Accessories0
      • Surface Prep0
        • Blend Disc0
        • Surface Conditioning Discs0
    • Woodworking0
      • Hook and Loop Discs (velcro)0
      • PSA Disc (sticky Backed)0
      • Rolls0
      • Sanding Belts1
      • Sheets0
        • Hook and loop Sheets (Velcro)0
        • Mico Grit Finishing Sheet0
      • Spiral Band (Sanding Sleeve)0
        • 4-1/2" Long0
        • 6" Long0
        • 9" Long0
      • Sponges0
      • Vonnegut Loadings0
  • Rolls0
    • Drum Sanding Rolls0
    • Non-Woven Rolls0
    • Shop Rolls0
  • Sanding Belts0
    • _0
    • 1-1/8" X 21" Sanding Belts0
    • 1" X 30" Sanding Belts0
    • 1" X 42" Sanding Belts0
    • 1" X 48" Sanding Belts0
    • 1/2" X 12" Sanding Belts0
    • 1/2" X 18" Sanding Belts0
    • 1/2" x 24" Sanding Belts0
    • 1/4" X 18" Sanding Belts0
    • 1/4" X 24" Sanding Belts0
    • 2-1/2" X 14" Sanding Belts0
    • 2-1/2" X 16" Sanding Belts0
    • 2" X 132" Sanding Belts0
    • 2" X 42" Sanding Belts0
    • 2" X 48" Sanding Belts0
    • 2" X 60" Sanding Belts0
    • 2" X 72" Sanding Belts0
    • 3-1/2" X 15-1/2" Sanding Belts0
    • 3" X 132" Sanding Belts0
    • 3" X 18" Sanding Belts0
    • 3" X 20" Sanding Belts0
    • 3" X 21" Sanding Belts1
    • 3" X 24" Sanding Belts0
    • 3" X 79" Sanding Belts0
    • 3/4" X 18" Sanding Belts0
    • 3/4" X 20-1/2" Sanding Belts0
    • 3/8" X 13" Sanding Belts0
    • 4" X 106" Sanding Belts0
    • 4" X 132" Sanding Belts0
    • 4" X 21" Sanding Belts0
    • 4" X 24" Sanding Belts0
    • 4" X 36" Sanding Belts0
    • 6" X 108" Sanding Belts0
    • 6" X 132" Sanding Belts0
    • 6" X 158" Sanding Belts0
    • 6" X 48" Sanding Belts0
    • 6" X 60" Sanding Belts0
    • 6" X 80" Sanding Belts0
    • 6" X 89" Sanding Belts0
    • 7-7/8" X 29-1/2" Sanding Belts0
    • 8" X 19" Sanding Belts0
    • 9" X 10-5/8" Pump Sleeve Belt0
    • 9" X 13-3/4" Pump Sleeve Belt0
    • 9" X 20" Pump Sleeve Belt0
    • 9" X 26-1/4" Pump Sleeve Belt0
  • Sheets0
  • Spiral Bands0
  • Spiral Bands (Sanding Sleeve)0
    • 4-1/2" Long0
    • 6" Long0
    • 9" Long0
  • Sponges0
  • Surface Finishing0
    • Buffing and Blending Disc0
    • Surface Conditioning Belt0
    • Surface Conditioning Discs0
  • Uncategorized0
Price

Filter by price

Price: —
Availability
  • On sale
  • In stock
  • Out of stock
USA dollar USD
  • USD USA dollar (USD $)
  • CAD Canadian Dollar (CAD $)
  • Default sorting
  • Sort by popularity
  • Sort by average rating
  • Sort by latest
  • Sort by price: low to high
  • Sort by price: high to low
Compare products
Close