Box of 3M E-43222 Roloc discs labeled 2-inch 50-grit aluminum oxide, 25-count pack for industrial use

Stack of 3M E-43222 2-inch aluminum oxide Roloc discs showing burgundy abrasive surface and blue backing

Cluster of 3M E-43222 Roloc discs with visible twist-lock hubs and coarse aluminum oxide grit

Group of 3M E-43222 2-inch Roloc discs arranged in a pile displaying both abrasive and connector sides

Two 3M E-43222 aluminum oxide discs side by side highlighting abrasive grit and Roloc attachment

3M E-43222 2" Aluminum Oxide Surface Discs, Roloc, 50 Grit, 25/Box

Q: What makes Roloc discs different from regular sanding discs? A: Roloc discs feature a twist-lock fastening system that provides more secure attachment than hook-and-loop alternatives. The disc locks firmly onto the backing pad with a simple twist motion, eliminating disc slippage during high-speed grinding and ensuring consistent performance throughout demanding metalworking applications.

Q: What makes Roloc discs different from regular sanding discs? Roloc discs feature a twist-lock fastening system that provides more secure attachment than hook-and-loop alternatives. The disc locks firmly onto the backing pad with a simple twist motion, eliminating disc slippage during high-speed grinding and ensuring consistent performance throughout demanding metalworking applications.

Q: Can these discs handle different types of metal? A: Yes, 3M E-43222 Roloc discs work effectively on carbon steel, aluminum, stainless steel, and mixed alloys. The aluminum oxide abrasive maintains cutting efficiency across various metal hardnesses, making these discs versatile for industrial shops that work with multiple material types daily.

Q: Can these discs handle different types of metal? Yes, 3M E-43222 Roloc discs work effectively on carbon steel, aluminum, stainless steel, and mixed alloys. The aluminum oxide abrasive maintains cutting efficiency across various metal hardnesses, making these discs versatile for industrial shops that work with multiple material types daily.

Q: What tool do I need to use these discs? A: You'll need a high-speed die grinder equipped with a 2-inch Roloc backing pad (Type R). These discs are rated for maximum speeds up to 25,000 RPM, making them compatible with most professional-grade pneumatic and electric die grinders used in fabrication and automotive shops.

Q: What tool do I need to use these discs? You'll need a high-speed die grinder equipped with a 2-inch Roloc backing pad (Type R). These discs are rated for maximum speeds up to 25,000 RPM, making them compatible with most professional-grade pneumatic and electric die grinders used in fabrication and automotive shops.

Q: How long do these discs typically last? A: 3M E-43222 discs are engineered to outlast generic alternatives through heat-resistant aluminum oxide construction that resists clogging and maintains sharp cutting edges longer. Actual disc life depends on application pressure, material type, and operating speed, but users typically report significantly longer service life compared to standard sanding discs.

Q: How long do these discs typically last? 3M E-43222 discs are engineered to outlast generic alternatives through heat-resistant aluminum oxide construction that resists clogging and maintains sharp cutting edges longer. Actual disc life depends on application pressure, material type, and operating speed, but users typically report significantly longer service life compared to standard sanding discs.

Q: Why choose 50 grit over other grits? A: 50 grit provides the ideal balance for most metal preparation tasks-aggressive enough to remove material quickly but controlled enough to avoid deep gouging. It's perfect for weld grinding, rust removal, and heavy surface prep while still allowing precision work on edges and contours.

Q: Why choose 50 grit over other grits? 50 grit provides the ideal balance for most metal preparation tasks-aggressive enough to remove material quickly but controlled enough to avoid deep gouging. It's perfect for weld grinding, rust removal, and heavy surface prep while still allowing precision work on edges and contours.

$21.44

Product variants

3M E-43222 2-inch Roloc aluminum oxide sanding discs 50 grit showing burgundy colored abrasive surface with twist-lock backing system for aggressive metal surface preparation and weld grinding

Professional Metal Surface Preparation – 3M Roloc Surface Discs (E-43222, 2" 50 Grit, 25-Pack)

Fast-Cutting Aluminum Oxide Discs with Secure Twist-Lock System

The 3M E-43222 Roloc Discs deliver 3× faster material removal than standard sanding discs while lasting 50% longer through heat-resistant aluminum oxide construction. These professional-grade 2-inch 50 grit discs feature the proven Roloc twist-lock system that eliminates disc slippage at speeds up to 25,000 RPM. Built for aggressive surface prep and weld grinding, each disc maintains cutting efficiency 40% longer than generic alternatives.

Key Benefits That Set These Discs Apart

Secure Twist-Lock System - Unlike standard hook-and-loop sanding options, the Roloc fastening system locks each disc securely with a simple twist, eliminating downtime from disc changes and providing consistent pressure distribution for uniform finishes across the entire work surface.

Heat-Resistant Performance - Tough aluminum oxide grit resists clogging and heat buildup even at maximum 25,000 RPM speeds, maintaining cutting efficiency throughout disc life while preventing thermal damage to workpieces, especially critical for stainless steel and heat-sensitive alloys.

3× Longer Life - Premium aluminum oxide formulation and resin bonding system outlasts generic brands by up to 3 times, reducing tool change frequency and material costs while delivering consistent surface finish from first cut to final pass.

Proven Applications

Perfect for metalworking professionals who need reliable discs for:

Fabricators removing weld spatter and prepping joints
Automotive techs blending body panels and deburring
Machinists smoothing edges on CNC-cut parts
Maintenance crews removing rust or scale from metal surfaces

Technical Specifications

3M E-43222 Roloc Disc Complete Specifications
Specification	Details
Product Number	3M E-43222
Dimensions	2 inches (50.8mm) diameter
Abrasive Material	Aluminum Oxide
Grit	50 (Medium Coarse)
Fastening Type	Roloc (Type R, Male Roll-On)
Maximum RPM	25,000
Quantity	25 discs per pack
Compatible Tools	High-speed die grinders with 2" Roloc backing pad
Color	Burgundy/Brown
Backing Material	Fiber-reinforced resin

Performance Capabilities

Expect smooth blending and fast removal on:

Carbon steel surfaces requiring aggressive material removal
Aluminum components needing consistent surface prep
Stainless steel parts requiring weld cleanup
Mixed alloys in fabrication and repair applications

Frequently Asked Questions

What makes Roloc discs different from regular sanding discs?

Roloc discs feature a twist-lock fastening system that provides more secure attachment than hook-and-loop alternatives. The disc locks firmly onto the backing pad with a simple twist motion, eliminating disc slippage during high-speed grinding and ensuring consistent performance throughout demanding metalworking applications.

Can these discs handle different types of metal?

Yes, 3M E-43222 Roloc discs work effectively on carbon steel, aluminum, stainless steel, and mixed alloys. The aluminum oxide abrasive maintains cutting efficiency across various metal hardnesses, making these discs versatile for industrial shops that work with multiple material types daily.

What tool do I need to use these discs?

You'll need a high-speed die grinder equipped with a 2-inch Roloc backing pad (Type R). These discs are rated for maximum speeds up to 25,000 RPM, making them compatible with most professional-grade pneumatic and electric die grinders used in fabrication and automotive shops.

How long do these discs typically last?

3M E-43222 discs are engineered to outlast generic alternatives through heat-resistant aluminum oxide construction that resists clogging and maintains sharp cutting edges longer. Actual disc life depends on application pressure, material type, and operating speed, but users typically report significantly longer service life compared to standard sanding discs.

Why choose 50 grit over other grits?

50 grit provides the ideal balance for most metal preparation tasks—aggressive enough to remove material quickly but controlled enough to avoid deep gouging. It's perfect for weld grinding, rust removal, and heavy surface prep while still allowing precision work on edges and contours.

Get Professional Roloc Discs Today

Stock your shop with 3M E-43222 discs for reliable, long-lasting results in metal surface preparation.

Order your pack of 25 professional-grade sanding discs today and experience the 3M difference!

3M E-43222 Roloc Discs combine aggressive aluminum oxide cutting action with the secure Roloc twist-lock system for unmatched performance in metal surface preparation. Trusted by fabricators, automotive professionals, and industrial maintenance teams, these discs deliver consistent results job after job.

About the Brand

3M

View All 3M Products

Garage Supply Guys Frequently Asked Questions

If something's not working out, just let us know. Keep in mind that some items might have a restocking fee. Check the product page for the specifics.

No worries, we've got you covered. We can send replacement parts or arrange for a new delivery. Just make sure to inspect everything when it arrives and give us a heads up right away if something's off.

All the details are at the bottom of our site under Shipping & Return Policy. You'll find everything about returns, freight damage, and any brand-specific rules.

Most larger items like car lifts and heavy equipment ship free, but depending on the brand there might be freight costs. Smaller items almost always have shipping fees via UPS, USPS, FedEx, etc. We'll show you any extra costs before you check out.

Shipping estimates are just that — estimates, and they're not guaranteed. Weather, freight delays, and carrier issues can throw things off, especially with bigger items. If you're on a tight timeline for installation, it's smart to give yourself some wiggle room.

Yep! Once it ships, we'll email you the tracking info so you can keep tabs on your delivery and plan accordingly.

We always send tracking info once your order ships. If it's been more than five business days and you haven't heard anything, just shoot us a message at support@garagesupplyguys.com or hit us up through the Contact Us page. We'll figure out what's going on.

Make sure whatever you're buying will actually fit your space. That means checking ceiling height, floor space, power requirements, and whether freight delivery can even get to your location. Trust us, it's way easier to confirm these details upfront.

Read through the product details carefully, especially for heavy or specialized items. If you're not sure about fit, shipping, installation, or anything else, just ask. We'd rather help you get it right the first time.

You'll get a confirmation email right away once you place your order. For most items like car lifts, parts, and shop tools, we'll have them shipped out within five business days if they're in stock. This goes for all major brands and replacement parts.

We don't offer installation services ourselves, but we can put you in touch with qualified installers in your area who you can work out pricing with directly. We can also handle this for you after your purchase.

Just reach out to us after your purchase and we'll connect you with trusted installers in your area. You can negotiate pricing and scheduling directly with them, or we can help coordinate the whole process for you.

Some items can be installed by experienced DIYers, but larger equipment like car lifts typically require professional installation for safety and warranty reasons. Check the product specifications and manufacturer requirements before deciding.

Yes! We're authorized dealers for all the major brands we carry. This means you get full manufacturer warranties, genuine parts, and proper support. You can always verify our dealer status directly with the manufacturer if you'd like.

It means you're getting the real deal - genuine products with full manufacturer warranties, access to official support, and the peace of mind that comes with buying from a legitimate dealer. No gray market products or void warranties here.