My Account
Shopping Cart

Mirka 40-631-080 Coarse Cut 8" Grip Disc, 80 Grit

Manufacturer

Mirka

<p>Since 1943, Mirka has established itself as a world leader in surface finishing technology, driven by an unwavering commitment to precision and innovation. Founded in Finland and still operating from their headquarters in Jeppo, Ostrobothnia, this privately-held manufacturer has built a reputation for delivering complete surface preparation solutions that combine advanced abrasive materials, professional-grade equipment, and specialized compounds into integrated systems.</p><p>What sets Mirka apart is their holistic approach to surface finishing. Rather than simply manufacturing individual products, they engineer complete workflows that address the entire sanding and polishing process. Their philosophy centers on helping professionals work more efficiently while achieving superior finish quality—a commitment embodied in their motto "Dedicated to the finish." This dedication has made Mirka products essential for automotive refinishing, woodworking, marine repair, and industrial manufacturing applications worldwide.</p><p>The cornerstone of Mirka's product lineup is their extensive range of <a href="/461-mirka-mirka-abrasives-200683">MIRKA Abrasives</a>, which includes advanced net abrasives, conventional sanding discs, and specialty finishing papers engineered for dust extraction and consistent performance. These abrasives are designed to integrate seamlessly with modern sanding systems, reducing material waste and improving operator comfort through innovative backing materials and grain technologies.</p><p>Mirka's expertise extends to <a href="/461-mirka-hand-sanding-pad-53644">Hand Sanding Pads</a> and interface solutions that maximize control during finishing work. Their ergonomic designs help professionals achieve uniform results on contoured surfaces and tight spaces where power tools cannot reach. For marine and composite repair applications, Mirka offers specialized <a href="/461-mirka-gel-coatfiberglass-compounds-200490">Gel-Coat/Fiberglass Compounds</a> that deliver professional-grade surface preparation and polishing capabilities.</p><p>Supporting their abrasive technologies, Mirka produces <a href="/461-mirka-sanders-200894">Sanders</a> engineered for dust-free operation and optimal efficiency. Their electric and pneumatic tools feature refined ergonomics and precision-balanced motors that reduce operator fatigue during extended use. To maintain peak performance, the company provides essential <a href="/461-mirka-maintenance-parts-accessories-200647">Maintenance Parts & Accessories</a> designed specifically for their equipment ecosystem.</p><p>Mirka's influence on the industry extends beyond product manufacturing. Their innovations in dust extraction technology and net abrasive design have fundamentally changed how professionals approach surface finishing, making cleaner, healthier, and more efficient workflows possible. For workshops and technicians who demand consistent quality and are committed to continuous improvement, Mirka represents more than a brand—it's a comprehensive approach to achieving flawless surface preparation and finishing results.</p>

Part Number

40-631-080
07/13/2036 1:55 AM
Sale Price

$101.12

4 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Mirka 40-631-080 Coarse Cut 8" sanding disc is engineered for demanding coarse sanding applications where aggressive material removal is required. Featuring a specially reinforced backing material combined with Mirka's proprietary Progressive Bond™ technology, this disc delivers exceptional durability and consistent performance throughout its lifespan.

Key Features:

  • 8-inch diameter disc with 80 grit for coarse sanding applications
  • Hook and loop (grip) attachment system for quick disc changes
  • Progressive Bond™ technology for extended disc life and consistent cut
  • Reinforced backing material provides enhanced durability under high pressure
  • Flexible construction conforms to rounded and contoured surfaces
  • Maroon color for easy grit identification
  • Ideal for paint and primer removal, rust removal, and surface preparation

The Coarse Cut series is designed for professional automotive, woodworking, and industrial applications where fast stock removal is essential. The flexible backing allows the disc to work effectively on curved surfaces while maintaining consistent cutting action. Compatible with 8-inch random orbital sanders and dual-action polishers equipped with hook and loop backing pads.

Products specifications

Grade

P80

Quantity

25

Size

8"

good web site

It's great

Item arrived quickly and as described. Thanks

Great. I need this item shipped to an address other than my confirmed paypal address. I need it shipped to BFNY Performance 9515 Detroit Rd. Cleveland, Ohio 44102 Phone 440-787-7235 ^^^ SEE ABOVE NOTE When checking out it wouldn't let me change the shi

None

best price i found online

easy to use website, order delivered promptly Requested to add something to order prior to shipment which they were unable to do.

Easy to order on your site.

Great price Awesome so far

Parts I needed in stock

Awesome that you can pay with Amazon!

Filter was as described, quick ship, great price, thanks!

So far so good. I will see once the parts get delivered

Easy

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy