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

4" X 21" Sanding Belts

Home / Sanding Belts / 4" X 21" Sanding Belts
1Product Found
  • 4"x21" Aluminum Oxide Cloth Closed Coat Belt

    4″x21″ Aluminum Oxide Cloth Closed Coat Belt

    Package Quantity: 6 Belts Length: 21" Width: 4" Material: Aluminum Oxide Closed Coat Cloth $14.46 – $18.19Price range: $14.46 through $18.19
    $14.46 – $18.19Price range: $14.46 through $18.19 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
4" X 21" Sanding Belts
Product Categories
  • Accessories0
    • Backup Pads12
    • Buffing Accessories11
    • Conversion Pads8
    • Rubber Blocks3
  • Belt6
  • Bench & Pedestal Grinding3
    • Bench Wheels6
  • Buffing and Polishing0
    • Bar Compound7
    • Buffing Accessories11
      • Center Plates0
      • Flanges & Extenstions0
      • Rakes0
    • Buffing Wheel0
      • 10" Airway Buff5
      • 8" Airway Buff5
      • Stitched Buff2
    • Car Polishing Compound6
    • Sanding0
      • Hook and Loop (Velcro)7
      • PSA Disc (Sticky backed)7
    • Surface Preperation0
      • Blend Disc5
      • Surface Conditioning Discs7
  • Carbide Burr0
    • Shape "A"10
    • Shape "B"4
    • Shape "C"12
    • Shape "D"10
    • Shape "E"4
    • Shape "F"11
    • Shape "G"7
    • Shape "H"3
    • Shape "L"11
    • Shape "M"4
  • Cut off and Grinding0
    • Chop Saw Wheel1
    • Gas Saw Wheel2
    • Grinding Wheels5
    • Thin Cut off Wheel16
  • Diamond0
    • Diamond Blades0
    • Diamond Core Bits0
    • Diamond Cup Wheels0
  • Disc - Hook and Loop / PSA0
    • Hook & Loop (Velcro)10
    • PSA (Sticky backed)13
  • Discs1
    • Accessories0
      • Backup Pads12
      • Conversion Pad8
      • Mandrels0
      • Rubber Blocks3
    • Flap Disc8
      • Mini Flap Disc0
      • Premium Flap Disc0
      • Trimmable Plastic Flap Disc0
    • Floor Sanding Discs5
    • Hook and Loop (Velcro)10
    • PSA Disc (Sticky backed)7
    • Quick Change0
      • Type "R" Quick Change Disc6
      • Type "S" Quick Change Disc5
    • Resin Fibre Disc5
    • Surface Finishing0
      • Blend Disc5
      • Surface Conditioning Discs7
  • Industries0
    • Autobody/ Marine0
      • Hook and Loop Disc (Velcro)2
      • Polishing Compound3
      • Resin Fibre Disc4
      • Sanding Belts4
      • Sheets2
    • Floor Sanding0
      • Floor Polishing Pads0
      • Floor Sanding Belts2
      • Floor Sanding Discs5
      • Floor Sanding Sheets5
    • Knife Making0
      • Bar Compound7
      • Buffing Wheel0
        • 10" Airway Buff5
        • 8" Airway Buff5
        • Stitched Buff2
      • Sanding Belts10
      • Sheets1
    • Metalworking0
      • Bench Grinding Wheel6
      • Carbide Burr0
        • Shape "A"9
        • Shape "B"3
        • Shape "C"12
        • Shape "D"10
        • Shape "E"4
        • Shape "F"11
        • Shape "G"7
        • Shape "H"3
        • Shape "L"11
        • Shape "M"4
      • Cut off Wheel0
        • Large Diameter Cutting1
        • Thin Cut off Wheel15
      • Flap Disc8
      • Grinding Wheel5
      • Resin Fibre Disc4
      • Sanding Belts34
      • Tool Room Wheel3
    • Truck Polishing0
      • Bar Compound6
      • Buffing Wheel0
        • 10" Airway Buff5
        • 8" Airway Buff5
        • Stitched Buff2
      • Car Polishing Compound6
      • Hook and Loop Discs (velcro)7
      • Polishing Accessories10
      • Surface Prep0
        • Blend Disc5
        • Surface Conditioning Discs8
    • Woodworking0
      • Hook and Loop Discs (velcro)10
      • PSA Disc (sticky Backed)4
      • Rolls5
      • Sanding Belts19
      • Sheets3
        • Hook and loop Sheets (Velcro)6
        • Mico Grit Finishing Sheet1
      • Spiral Band (Sanding Sleeve)0
        • 4-1/2" Long6
        • 6" Long6
        • 9" Long6
      • Sponges2
      • Vonnegut Loadings0
  • Rolls0
    • Drum Sanding Rolls5
    • Non-Woven Rolls1
    • Shop Rolls3
  • Sanding Belts0
    • _1
    • 1-1/8" X 21" Sanding Belts1
    • 1" X 30" Sanding Belts1
    • 1" X 42" Sanding Belts3
    • 1" X 48" Sanding Belts1
    • 1/2" X 12" Sanding Belts3
    • 1/2" X 18" Sanding Belts4
    • 1/2" x 24" Sanding Belts4
    • 1/4" X 18" Sanding Belts2
    • 1/4" X 24" Sanding Belts2
    • 2-1/2" X 14" Sanding Belts1
    • 2-1/2" X 16" Sanding Belts1
    • 2" X 132" Sanding Belts3
    • 2" X 42" Sanding Belts1
    • 2" X 48" Sanding Belts2
    • 2" X 60" Sanding Belts1
    • 2" X 72" Sanding Belts4
    • 3-1/2" X 15-1/2" Sanding Belts3
    • 3" X 132" Sanding Belts4
    • 3" X 18" Sanding Belts1
    • 3" X 20" Sanding Belts1
    • 3" X 21" Sanding Belts1
    • 3" X 24" Sanding Belts1
    • 3" X 79" Sanding Belts1
    • 3/4" X 18" Sanding Belts4
    • 3/4" X 20-1/2" Sanding Belts4
    • 3/8" X 13" Sanding Belts2
    • 4" X 106" Sanding Belts1
    • 4" X 132" Sanding Belts3
    • 4" X 21" Sanding Belts1
    • 4" X 24" Sanding Belts1
    • 4" X 36" Sanding Belts1
    • 6" X 108" Sanding Belts1
    • 6" X 132" Sanding Belts1
    • 6" X 158" Sanding Belts1
    • 6" X 48" Sanding Belts3
    • 6" X 60" Sanding Belts1
    • 6" X 80" Sanding Belts1
    • 6" X 89" Sanding Belts1
    • 7-7/8" X 29-1/2" Sanding Belts1
    • 8" X 19" Sanding Belts1
    • 9" X 10-5/8" Pump Sleeve Belt1
    • 9" X 13-3/4" Pump Sleeve Belt1
    • 9" X 20" Pump Sleeve Belt1
    • 9" X 26-1/4" Pump Sleeve Belt1
  • Sheets13
  • Spiral Bands0
  • Spiral Bands (Sanding Sleeve)0
    • 4-1/2" Long6
    • 6" Long6
    • 9" Long6
  • Sponges2
  • Surface Finishing0
    • Buffing and Blending Disc5
    • Surface Conditioning Belt11
    • Surface Conditioning Discs7
  • Uncategorized29
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