Skip to content
  • Home
  • Catalog
  • Blog
  • Contact
Log in
    Pro-Graad
    • Home
    • Catalog
    • Blog
    • Contact
    Log in
    Cart

    Item added to your cart

    View cart
    • Free Shipping on orders over $50
    • Fast 3-5 Day Delivery
    • Hassle-Free Returns — 30 Days

    Search results

    • Pro-Graad 3/8” Diameter x 1-1/2” Length x 1/8” Pilot Hole 60 Grit Aluminum Oxide Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 3/8” Diameter x 1-1/2” Length x 1/8” Pilot Hole 60 Grit Aluminum Oxide Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 3/8” Diameter x 1-1/2” Length x 1/8” Pilot Hole 60 Grit Aluminum Oxide Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Regular price $11.41 USD
      Regular price Sale price $11.41 USD
      Unit price /  per 
    • Pro-Graad 1/2” Diameter x 1-1/2” Length x 1/8” Pilot Hole 36 Grit Zirconia Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 1/2” Diameter x 1-1/2” Length x 1/8” Pilot Hole 36 Grit Zirconia Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 1/2” Diameter x 1-1/2” Length x 1/8” Pilot Hole 36 Grit Zirconia Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Regular price $16.43 USD
      Regular price Sale price $16.43 USD
      Unit price /  per 
    • Pro-Graad Ceramic Grain Straight/Untapered Cartridge Roll

      Pro-Graad Ceramic Grain Straight/Untapered Cartridge Roll

      Regular price $19.55 USD
      Regular price Sale price $19.55 USD
      Unit price /  per 
    • Pro-Graad 11 Piece Large (3/4x1-1/2x1/8) Yellow Treated Cloth Buffing & Polishing Cartridge Roll Kit, Ideal for Detail Polishing Hard to Reach Areas, Includes 1/4” Shank Mandrel

      Pro-Graad 11 Piece Large (3/4x1-1/2x1/8) Yellow Treated Cloth Buffing & Polishing Cartridge Roll Kit, Ideal for Detail Polishing Hard to Reach Areas, Includes 1/4” Shank Mandrel

      Pro-Graad 11 Piece Large (3/4x1-1/2x1/8) Yellow Treated Cloth Buffing & Polishing Cartridge Roll Kit, Ideal for Detail Polishing Hard to Reach Areas, Includes 1/4” Shank Mandrel

      Regular price $15.06 USD
      Regular price Sale price $15.06 USD
      Unit price /  per 
    • Pro-Graad 1/2” Diameter x 1-1/2” Length x 1/8” Pilot Hole 36 Grit Zirconia Straight/Untapered Cartridge Roll, 50 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 1/2” Diameter x 1-1/2” Length x 1/8” Pilot Hole 36 Grit Zirconia Straight/Untapered Cartridge Roll, 50 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 1/2” Diameter x 1-1/2” Length x 1/8” Pilot Hole 36 Grit Zirconia Straight/Untapered Cartridge Roll, 50 Pack, Includes 1x CR-9 Mandrel

      Regular price $44.57 USD
      Regular price Sale price $44.57 USD
      Unit price /  per 
    • Pro-Graad 1/4” Diameter x 1-1/2” Length x 1/8” Pilot Hole 60 Grit Aluminum Oxide Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 1/4” Diameter x 1-1/2” Length x 1/8” Pilot Hole 60 Grit Aluminum Oxide Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Pro-Graad 1/4” Diameter x 1-1/2” Length x 1/8” Pilot Hole 60 Grit Aluminum Oxide Straight/Untapered Cartridge Roll, 10 Pack, Includes 1x CR-9 Mandrel

      Regular price $10.04 USD
      Regular price Sale price $10.04 USD
      Unit price /  per 
    • Pro-Graad 50 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Fiberglass, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 50 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Fiberglass, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 50 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Fiberglass, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Regular price $33.15 USD
      Regular price Sale price $33.15 USD
      Unit price /  per 
    • CR-9-4X5 CR-9-4 Stainless Steel Standard Tapered Type Mandrels for Cartridge Rolls, 4” Overall Length x 1/4" x2-1/4” Shank x 1/8”x1” Pilot, 4” Porting Mandrel for Cartridge & Spiral Rolls (Pack of 5)

      CR-9-4X5 CR-9-4 Stainless Steel Standard Tapered Type Mandrels for Cartridge Rolls, 4” Overall Length x 1/4" x2-1/4” Shank x 1/8”x1” Pilot, 4” Porting Mandrel for Cartridge & Spiral Rolls (Pack of 5)

      CR-9-4X5 CR-9-4 Stainless Steel Standard Tapered Type Mandrels for Cartridge Rolls, 4” Overall Length x 1/4" x2-1/4” Shank x 1/8”x1” Pilot, 4” Porting Mandrel for Cartridge & Spiral Rolls (Pack of 5)

      Regular price $15.83 USD
      Regular price Sale price $15.83 USD
      Unit price /  per 
    • Pro-Graad 62 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Cone & Cylinder Set for Metal, Wood, Stainless, Fiberglass, Welds, Engine & Head Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 62 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Cone & Cylinder Set for Metal, Wood, Stainless, Fiberglass, Welds, Engine & Head Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 62 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Cone & Cylinder Set for Metal, Wood, Stainless, Fiberglass, Welds, Engine & Head Porting – Die Grinder & Rotary Tool Accessories

      Regular price $39.18 USD
      Regular price Sale price $39.18 USD
      Unit price /  per 
    • Pro-Graad 31 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Fiberglass, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 31 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Fiberglass, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 31 Piece Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Fiberglass, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Regular price $23.10 USD
      Regular price Sale price $23.10 USD
      Unit price /  per 
    • Pro-Graad CR-5 1/8” Shank Stainless Steel Cartridge Roll Mandrel, Standard Tapered Type Mandrels for Cartridge & Spiral Rolls, 3” Overall Length, 1/8x1” Shank x 1/8”x1” Pilot

      Pro-Graad CR-5 1/8” Shank Stainless Steel Cartridge Roll Mandrel, Standard Tapered Type Mandrels for Cartridge & Spiral Rolls, 3” Overall Length, 1/8x1” Shank x 1/8”x1” Pilot

      Pro-Graad CR-5 1/8” Shank Stainless Steel Cartridge Roll Mandrel, Standard Tapered Type Mandrels for Cartridge & Spiral Rolls, 3” Overall Length, 1/8x1” Shank x 1/8”x1” Pilot

      Regular price $7.02 USD
      Regular price Sale price $7.02 USD
      Unit price /  per 
    • Pro-Graad 50 Piece Zirconia Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 50 Piece Zirconia Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 50 Piece Zirconia Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Regular price $33.15 USD
      Regular price Sale price $33.15 USD
      Unit price /  per 
    • Pro-Graad 5 Pack CR-8X5 CR-9 Standard Tapered Type Mandrels for Cartridge Rolls, 2-1/2” Overall Length, 1/4" x 1” Shank x 1/8” x 3/4” Pilot (Pack of 5)

      Pro-Graad 5 Pack CR-8X5 CR-9 Standard Tapered Type Mandrels for Cartridge Rolls, 2-1/2” Overall Length, 1/4" x 1” Shank x 1/8” x 3/4” Pilot (Pack of 5)

      Pro-Graad 5 Pack CR-8X5 CR-9 Standard Tapered Type Mandrels for Cartridge Rolls, 2-1/2” Overall Length, 1/4" x 1” Shank x 1/8” x 3/4” Pilot (Pack of 5)

      Regular price $12.31 USD
      Regular price Sale price $12.31 USD
      Unit price /  per 
    • Pro-Graad 31 Piece Zirconia Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 31 Piece Zirconia Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Pro-Graad 31 Piece Zirconia Abrasive Sanding Cartridge Spiral Roll Sander Kit, Mini Cone & Cylinder Kit for Metal, Wood, Stainless, Welds, Engine Porting – Die Grinder & Rotary Tool Accessories

      Regular price $25.11 USD
      Regular price Sale price $25.11 USD
      Unit price /  per 
    • Pro-Graad Porting Mandrel 12", CR-9-12 Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length x 1/4" Shank x 12" Length

      Pro-Graad Porting Mandrel 12", CR-9-12 Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length x 1/4" Shank x 12" Length

      Pro-Graad Porting Mandrel 12", CR-9-12 Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length x 1/4" Shank x 12" Length

      Regular price $32.91 USD
      Regular price Sale price $32.91 USD
      Unit price /  per 
    • Pro-Graad CR-9 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-3/4” Shank x 1/8”x1” Pilot (Pack of 1)

      Pro-Graad CR-9 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-3/4” Shank x 1/8”x1” Pilot (Pack of 1)

      Pro-Graad CR-9 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-3/4” Shank x 1/8”x1” Pilot (Pack of 1)

      Regular price $6.02 USD
      Regular price Sale price $6.02 USD
      Unit price /  per 
    • Pro-Graad M-9X5 M-9 Standard Tapered Type Mandrels for Cartridge Rolls, 2-3/4” Overall Length, 1/4" x1” Shank x 1/8”x1” Pilot (Pack of 5)

      Pro-Graad M-9X5 M-9 Standard Tapered Type Mandrels for Cartridge Rolls, 2-3/4” Overall Length, 1/4" x1” Shank x 1/8”x1” Pilot (Pack of 5)

      Pro-Graad M-9X5 M-9 Standard Tapered Type Mandrels for Cartridge Rolls, 2-3/4” Overall Length, 1/4" x1” Shank x 1/8”x1” Pilot (Pack of 5)

      Regular price $12.41 USD
      Regular price Sale price $12.41 USD
      Unit price /  per 
    • Pro-Graad Porting Mandrel 10", CR-9-10 Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 3/4" Pilot Length x 1/4" Shank x 10" Length

      Pro-Graad Porting Mandrel 10", CR-9-10 Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 3/4" Pilot Length x 1/4" Shank x 10" Length

      Pro-Graad Porting Mandrel 10", CR-9-10 Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 3/4" Pilot Length x 1/4" Shank x 10" Length

      Regular price $28.89 USD
      Regular price Sale price $28.89 USD
      Unit price /  per 
    • Pro-Graad CR-21 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-1/2” Shank x 1/4”x1” Pilot, 45116, (Pack of 1)

      Pro-Graad CR-21 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-1/2” Shank x 1/4”x1” Pilot, 45116, (Pack of 1)

      Pro-Graad CR-21 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-1/2” Shank x 1/4”x1” Pilot, 45116, (Pack of 1)

      Regular price $9.03 USD
      Regular price Sale price $9.03 USD
      Unit price /  per 
    • Pro-Graad Porting Mandrel Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge and Spiral Roll

      Pro-Graad Porting Mandrel Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge and Spiral Roll

      Pro-Graad Porting Mandrel Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge and Spiral Roll

      Regular price $24.87 USD
      Regular price Sale price $24.87 USD
      Unit price /  per 
    • Pro-Graad CR-9-12 12” Porting Mandrel Extra Shank Length Cartridge and Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length, 12" Overall Length, 1/4" Shank Diameter x 10-1/4" Shank Length

      Pro-Graad CR-9-12 12” Porting Mandrel Extra Shank Length Cartridge and Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length, 12" Overall Length, 1/4" Shank Diameter x 10-1/4" Shank Length

      Pro-Graad CR-9-12 12” Porting Mandrel Extra Shank Length Cartridge and Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length, 12" Overall Length, 1/4" Shank Diameter x 10-1/4" Shank Length

      Regular price $23.10 USD
      Regular price Sale price $23.10 USD
      Unit price /  per 
    • Pro-Graad Porting Mandrel Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge and Spiral Roll

      Pro-Graad Porting Mandrel Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge and Spiral Roll

      Pro-Graad Porting Mandrel Premium High Speed Steel Coarse Thread Extra Shank Length Cartridge and Spiral Roll

      Regular price $25.11 USD
      Regular price Sale price $25.11 USD
      Unit price /  per 
    • Pro-Graad Porting Mandrel 4", CR-9-4 Premium HSS (High Speed Steel) Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length x 1/4" Shank x 4" Length

      Pro-Graad Porting Mandrel 4", CR-9-4 Premium HSS (High Speed Steel) Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length x 1/4" Shank x 4" Length

      Pro-Graad Porting Mandrel 4", CR-9-4 Premium HSS (High Speed Steel) Coarse Thread Extra Shank Length Cartridge & Spiral Roll Mandrel, 1/8" Pilot Diameter x 1" Pilot Length x 1/4" Shank x 4" Length

      Regular price $10.04 USD
      Regular price Sale price $10.04 USD
      Unit price /  per 
    • Pro-Graad CR-16 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-1/2” Shank x 3/16”x1” Pilot, 45118, (Pack of 1)

      Pro-Graad CR-16 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-1/2” Shank x 3/16”x1” Pilot, 45118, (Pack of 1)

      Pro-Graad CR-16 Standard Tapered Type Mandrels for Cartridge Rolls, 3-1/2” Overall Length, 1/4" x1-1/2” Shank x 3/16”x1” Pilot, 45118, (Pack of 1)

      Regular price $9.03 USD
      Regular price Sale price $9.03 USD
      Unit price /  per 
    • 1
    • 2
    • 3

    Subscribe to our emails

    Payment methods
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    © 2026, Pro-Graad Powered by Shopify
    • Privacy policy
    • Refund policy
    • Terms of service
    • Shipping policy
    • Contact information
    • Legal notice
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.