Skip to content
  • Home
  • About Us
  • Contact Us
  • Track Your Order
  • Testimonials
  • Customer Built. Customer Focused.
Alloy Coating Supply®Alloy Coating Supply®
  • Menu
  • Login
      • × Dynabrade 78425 4-1/2" Dia. x 3/8" Coarse DynaBrite Surface Conditioning Disc, 25/packDynabrade 78425 4-1/2" Dia. x 3/8" Coarse DynaBrite Surface Conditioning Disc, 25/pack
        25 × $6.68
      • × Dynabrade 40610 Electric Dynafile II Abrasive Belt ToolDynabrade 40610 Electric Dynafile II Abrasive Belt Tool
        1 × $420.00
      • × Norton 66254414832Norton 66254414832 - 3" X 1/4" X 1/4" Vortex Rapid Blend Unified Wheel, 5am U2305, 40 Each
        120 × $11.50
      • × 3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 70000451013M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
        500 × $0.74
      • × Dynabrade 95544 Gear Grease, 2.5oz. TubeDynabrade 95544 Gear Grease, 2.5oz. Tube
        3 × $11.43
      • × Dynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side ExhaustDynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side Exhaust
        2 × $28,988.00
      • × 3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 71002227573M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
        200 × $1.91
      • × Dynabrade 95848 Dynabrade Gear OilDynabrade 95848 Dynabrade Gear Oil
        1 × $12.98
      • × Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc SanderDynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
        1 × $1,585.00
      • × Dynabrade 50192 4" Dia. Locking-Type Disc PadDynabrade 50192 4" Dia. Locking-Type Disc Pad
        1 × $38.15
      • × 3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 70000450923M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
        500 × $0.66
      • × Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 GallonDynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
        1 × $109.23
      • × 3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 70000450683M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
        400 × $1.05
      • × Dynabrade 78424 4-1/2" Dia. x 3/8" Medium DynaBrite Surface Conditioning Disc, 25/packDynabrade 78424 4-1/2" Dia. x 3/8" Medium DynaBrite Surface Conditioning Disc, 25/pack
        25 × $5.21
      • × 3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 70000451043M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
        500 × $0.64
      • × Standard Abrasives 713297, Aluminum Oxide Handy Roll, P120 J-weight, 2 in x 50 yd, 7100031623Standard Abrasives 713297, Aluminum Oxide Handy Roll, P120 J-weight, 2 in x 50 yd, 7100031623
        1 × $52.38
      • × Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-DutyDynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
        1 × $2,022.00
      • × Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz BottleDynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
        2 × $18.00
      • × Norton MED Non-WovenNorton 66623335427, 2" Dia Vortex Rapid Prep Quick-Change Non-Woven Abrasive Disc, Medium Grade, 50 Each
        100 × $1.70
      • × 3M 02405, Utility Cloth Sheet 211K, 9 in x 11 in 220 J-weight, 70102997753M 02405, Utility Cloth Sheet 211K, 9 in x 11 in 220 J-weight, 7010299775
        250 × $2.73
      • × Dynabrade 07109 Vane SetDynabrade 07109 Vane Set (5pk)
        1 × $48.62
      • × 3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 70000450993M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
        500 × $0.74
      • × 3M 05228 Scotch-Brite Surface Conditioning Belt, SC-BS, A/O Medium, 3-1/2 in x 15-1/2 in, 70000284353M 05228 Scotch-Brite Surface Conditioning Belt, SC-BS, A/O Medium, 3-1/2 in x 15-1/2 in, 7000028435
        10 × $30.69
      • × Dynabrade 50284 9" Dia. Disc Backup Pad, Spiral-Face, Medium Density, 5/8"-11 ThreadDynabrade 50284 9" Dia. Disc Backup Pad, Spiral-Face, Medium Density, 5/8"-11 Thread
        1 × $76.47

      Subtotal: $67,439.77

      View cartCheckout

  • Cart
    • × Dynabrade 78425 4-1/2" Dia. x 3/8" Coarse DynaBrite Surface Conditioning Disc, 25/packDynabrade 78425 4-1/2" Dia. x 3/8" Coarse DynaBrite Surface Conditioning Disc, 25/pack
      25 × $6.68
    • × Dynabrade 40610 Electric Dynafile II Abrasive Belt ToolDynabrade 40610 Electric Dynafile II Abrasive Belt Tool
      1 × $420.00
    • × Norton 66254414832Norton 66254414832 - 3" X 1/4" X 1/4" Vortex Rapid Blend Unified Wheel, 5am U2305, 40 Each
      120 × $11.50
    • × 3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 70000451013M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
      500 × $0.74
    • × Dynabrade 95544 Gear Grease, 2.5oz. TubeDynabrade 95544 Gear Grease, 2.5oz. Tube
      3 × $11.43
    • × Dynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side ExhaustDynabrade 64404 36" W x 60" L (914 mm W x 1,524 mm L) Metal Capture Downdraft Table, 230 V (AC), Side Exhaust
      2 × $28,988.00
    • × 3M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 71002227573M 76783, Cubitron II Hookit Cloth Disc 784F, 120+ XF-weight, 5 in x NH, Die 500X, 7100222757
      200 × $1.91
    • × Dynabrade 95848 Dynabrade Gear OilDynabrade 95848 Dynabrade Gear Oil
      1 × $12.98
    • × Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc SanderDynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
      1 × $1,585.00
    • × Dynabrade 50192 4" Dia. Locking-Type Disc PadDynabrade 50192 4" Dia. Locking-Type Disc Pad
      1 × $38.15
    • × 3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 70000450923M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
      500 × $0.66
    • × Dynabrade 95843 Dynabrade Air Lube 10W/NR, 1 GallonDynabrade 95843 Dynabrade Air Lube 10W/NR, 1 Gallon
      1 × $109.23
    • × 3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 70000450683M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
      400 × $1.05
    • × Dynabrade 78424 4-1/2" Dia. x 3/8" Medium DynaBrite Surface Conditioning Disc, 25/packDynabrade 78424 4-1/2" Dia. x 3/8" Medium DynaBrite Surface Conditioning Disc, 25/pack
      25 × $5.21
    • × 3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 70000451043M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
      500 × $0.64
    • × Standard Abrasives 713297, Aluminum Oxide Handy Roll, P120 J-weight, 2 in x 50 yd, 7100031623Standard Abrasives 713297, Aluminum Oxide Handy Roll, P120 J-weight, 2 in x 50 yd, 7100031623
      1 × $52.38
    • × Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-DutyDynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty
      1 × $2,022.00
    • × Dynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz BottleDynabrade 95821 Dynabrade Air Lube 10W/NR, 4oz Bottle
      2 × $18.00
    • × Norton MED Non-WovenNorton 66623335427, 2" Dia Vortex Rapid Prep Quick-Change Non-Woven Abrasive Disc, Medium Grade, 50 Each
      100 × $1.70
    • × 3M 02405, Utility Cloth Sheet 211K, 9 in x 11 in 220 J-weight, 70102997753M 02405, Utility Cloth Sheet 211K, 9 in x 11 in 220 J-weight, 7010299775
      250 × $2.73
    • × Dynabrade 07109 Vane SetDynabrade 07109 Vane Set (5pk)
      1 × $48.62
    • × 3M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 70000450993M 22407, Roloc Disc 361F, 80 YF-weight, TR, 1-1/2 in, Die R150S, 7000045099
      500 × $0.74
    • × 3M 05228 Scotch-Brite Surface Conditioning Belt, SC-BS, A/O Medium, 3-1/2 in x 15-1/2 in, 70000284353M 05228 Scotch-Brite Surface Conditioning Belt, SC-BS, A/O Medium, 3-1/2 in x 15-1/2 in, 7000028435
      10 × $30.69
    • × Dynabrade 50284 9" Dia. Disc Backup Pad, Spiral-Face, Medium Density, 5/8"-11 ThreadDynabrade 50284 9" Dia. Disc Backup Pad, Spiral-Face, Medium Density, 5/8"-11 Thread
      1 × $76.47

    Subtotal: $67,439.77

    View cartCheckout

    Visa
    MasterCard
    Discover
    American Express
    PayPal
  • Categories
    • Abrasives
      • Abrasive Accessories
      • Abrasive Brushes
      • Abrasive Compounds
      • Bonded Abrasives
      • Buffing & Polishing
      • Carbide Burrs
      • Coated Abrasives
      • Convolute Wheels
      • Grinding Wheels
      • File Belts
      • Super Abrasives
      • Surface Conditioning
      • Unitized/ Deburring Wheels
    • Abrasive Power Tools
      • Air Tool Accessories
      • Belts Sanders
      • Buffers & Polishers
      • Cut-Off Wheel Tools
      • Die Grinders
      • Disc Sanders
      • Drills
      • Engravers
      • Finishing Tools
      • Jitterbug Sanders
      • Orbital Sanders
      • Pencil Grinders
      • Right Angle Grinders
      • Stationary Grinders
    • Automotive Aftermarket
      • Aerosol Triggers
      • Bondos & Fillers
      • Buffers
      • Overspray Protectors
      • Paint Preparation
      • Pneumatic Power Tools
      • Spray Guns
      • Sprayer Accessories
      • System Components
      • Dust Collection Systems
        • Dust Collection Accessories
        • Portable Vacuum Systems
        • Dry Downdraft Tables
        • Wet Downdraft Tables
    • Masking Materials
      • Aluminum Foils
      • Fiberglass Cloth
      • Foil Tapes
      • General Use Tapes
      • Glass Cloth
      • Silicon Coated Fiberglass
      • Specialty Tapes
      • Adhesives & Sealants
        • All Adhesives and Sealants
      • Paint Sprayers & Accessories
        • View All
      • Aerospace Tools
        • View All
    • Measuring/ Inspection Instruments
      • View all
        • NDT Products
          • Liquid Dye Penetrants
          • Magnetic Particle
          • Various Inspection Materials
        • Safety Equipment
          • Respiratory Equipment
          • Welding Safety Equipment
    • Thermal Spray Equipment & Spares
      • Coating Equipment
      • Consumables & Spares
        • HVOF 5000 Gun Spares
        • Diamond Jet Gun Spares
        • SG-100 Gun Spares
      • Flexicords
      • Rokide Rods
      • Powders
        • Powder Feeders
        • View all powders…
      • Automation Solutions
        • Robotic Power Tools
  • Brands
    • ACS
    • Binks
    • 3M
    • DeVilbiss
    • Dewal Industries, Inc.
    • Dynabrade
    • Dynabrade Nitro Series
    • INSIZE
    • National Detroit
    • Norton
    • Saint-Gobain
    • Standard Abrasives
    • 8am-5pm (CST), Mon.-Fri.
    • 281.528.0980
Home / Shop / Abrasives / Abrasive Accessories / Backup Disc Pads
“Dynabrade 50284 9″ Dia. Disc Backup Pad, Spiral-Face, Medium Density, 5/8″-11 Thread” has been added to your cart. View cart
Narrow Search
Jump to:
Products On Sale:
  • ACS 334.456058 Curved Flap Disc_1 ACS-CP Curved Edge Flap Disc, 4-1/2" Dia. X 5/8"-11 Center Thread, 60 Grit $12.50 Original price was: $12.50.$10.50Current price is: $10.50.
Recently Viewed By You
  • Dynabrade 53282 9" (180 mm) Dia. Right-Angle Grinder, 2.8 HP, 6,500 RPM, 5/8"-11 Spindle Dynabrade 53282 9" (180 mm) Dia. Right-Angle Grinder, 2.8 HP, 6,500 RPM, 5/8"-11 Spindle $1,699.00
  • 3M 13372, Scotch-Brite Star, 3 in A CRS LS, 7000120967 3M 13372, Scotch-Brite Star, 3 in A CRS LS, 7000120967 $7.43
  • 3M 01666, Scotch-Brite Light Deburring Wheel, LD-WL, 7S Fine, 8 in x 1 in x 3 in, 7100009616 3M 01666, Scotch-Brite Light Deburring Wheel, LD-WL, 7S Fine, 8 in x 1 in x 3 in, 7100009616 $129.63
  • Dynabrade Convolute Wheels Dynabrade 78349 6" Dia. x 1/2" W x 1" Center Hole, 7S Fine, S/C DynaBrite Deburring Convolute Wheel, 2/box $70.60
  • 3M 20948, PSA Cloth Disc 348D, P120 X-weight, 1/2 in x NH, Die 50E, 7000118910 3M 20948, PSA Cloth Disc 348D, P120 X-weight, 1/2 in x NH, Die 50E, 7000118910 $0.23
Add to my Wishlist
Dynabrade 50109 - 2" (51 mm) Dia. Disc Pad

Dynabrade 50109 – 2″ (51 mm) Dia. Disc Pad

Dynabrade, Inc.

$22.98

Medium Density, 3/8″-24 Female Thread, For PSA Discs

  • Description

2″ (51 mm) Dia. Disc Pad

Related products

Dynabrade 51151 7" Dia. Disc Backup Pad, Medium Density, 5/8"-11 Thread
Add to my Wishlist
Quick View

Backup Disc Pads

Dynabrade 51151 7″ Dia. Disc Backup Pad, Medium Density, 5/8″-11 Thread

$45.28
Add to cart
Dynabrade 50192 4" Dia. Locking-Type Disc Pad
Add to my Wishlist
Quick View

Backup Disc Pads

Dynabrade 50192 4″ Dia. Locking-Type Disc Pad

$38.15
Add to cart
Dynabrade 50126 3" Dia. Disc Backup Pad, 3/8"-24 Thread, Hook 'N Loop
Add to my Wishlist
Quick View

Backup Disc Pads

Dynabrade 50126 3″ Dia. Disc Backup Pad, 3/8″-24 Thread, Hook ‘N Loop

$21.85
Add to cart
Dynabrade 51148 4-1/2" Dia. Disc Backup Pad, Medium Density, 5/8"-11 Thread
Add to my Wishlist
Quick View

Backup Disc Pads

Dynabrade 51148 4-1/2″ Dia. Disc Backup Pad, Medium Density, 5/8″-11 Thread

$30.86
Add to cart
Dynabrade 50297 7" Dia. Disc Backup Pad, Hard Density, 5/8"-11 Thread
Add to my Wishlist
Quick View

Backup Disc Pads

Dynabrade 50297 7″ Dia. Disc Backup Pad, Hard Density, 5/8″-11 Thread

$47.65
Add to cart
About Us
ACS is committed to providing high quality, cost effective solutions that will make customer manufacturing and assembly efforts safer and more efficient. We will strive to meet or exceed customers' expectations for service, quality, reliability and timely delivery.
Memberships
See our ad in the latest edition of Spraytime:
Visa
MasterCard
Discover
American Express
PayPal
  • About Us
  • Contact Us
  • Privacy Policy
  • Return Policy
  • Shipping Policy
  • Terms and Conditions
  • Track Your Order
Copyright 2026 © Alloy Coating Supply, LLC. All Rights Reserved.
  • Home
  • Categories
    • Abrasives
      • Abrasive Accessories
      • Abrasive Brushes
      • Abrasive Compounds
      • Bonded Abrasives
      • Buffing & Polishing
      • Carbide Burrs
      • Coated Abrasives
      • Convolute Wheels
      • Grinding Wheels
      • Super Abrasives
      • Surface Conditioning
      • Unitized/ Deburring Wheels
    • Abrasive Power Tools
      • Air Tool Accessories
      • Belt Sanders
      • Buffers and Polishers
      • Cut-Off Wheel Tools
      • Die Grinders
      • Disc Sanders
      • Drills
      • Dust Collection Systems
        • Dust Collection Accessories
        • Portable Vacuum Systems
        • Dry Downdraft Tables
        • Wet Downdraft Tables
      • Engravers
      • Finishing Tools
      • Horizontal Grinders
      • Impact Wrenches
      • Inline Sanders
      • Jitterbug Sanders
      • Orbital Sanders
      • Pencil Grinders
      • Right Angle Grinders
      • Routers
      • Screwdrivers
      • Specialty Tools
      • Stationary Grinders
      • Vertical Grinders
    • Automotive Aftermarket
      • Aerosol Triggers
      • Bondos & Fillers
      • Buffers
      • Overspray Protectors
      • Paint Preparation
      • Pneumatic Power Tools
      • Sprayer Accessories
      • Spray Guns
    • Masking Materials
      • Aluminum Foils
      • Fiberglass Cloth
      • Foil Tapes
      • General Use Tapes
      • Glass Cloth
      • Silicon Coated Fiberglass
      • Specialty Tapes
    • Measuring/ Inspection Instruments
    • NDT Products
      • Liquid Dye Penedrants
      • Magnetic Particle
      • Various Inspection Materials
    • Safety Equipment
      • Respiratory Equipment
      • Welding Safety Equipment
    • Thermal Spray Equipment & Spares
      • Coating Equipment
      • Consumables & Spares
        • HVOF 5000 Gun Spares
        • Diamond Jet Gun Spares
        • SG-100 Gun Spares
    • Flexicords
    • Rokide Rods
    • Powders
      • Powder Feeders
      • View all powders…
    • Automation Solutions
      • Robotic Power Tools
  • Brands
    • ACS
    • Binks
    • 3M
    • DeVilbiss
    • Dewal Industries, Inc.
    • Dynabrade
    • Dynabrade Nitro Series
    • INSIZE
    • National Detroit
    • Norton
    • Saint-Gobain
    • Standard Abrasives
  • Customer Support
    • About Us
    • Contact Us
    • Track Your Order
    • FAQ
  • Checkout
  • Sign In/ Register
  • Need help? Give us a call: (281) 528-0980, 8am-5pm (CST), M-F

Login

Lost your password?

Register

Your personal data will only be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.