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

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

$24.10

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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 Surface Discs deliver up to 3× faster material removal than standard sanding discs while lasting up to 50% longer thanks to heat-resistant aluminum oxide construction. These professional-grade 2-inch, 50-grit discs are built for aggressive surface preparation, weld grinding, and heavy material removal.

Featuring the proven Roloc twist-lock system, each disc stays securely locked at speeds up to 25,000 RPM, eliminating slippage and maintaining consistent cutting pressure throughout the job.

Key Benefits That Set These Discs Apart

    Secure Twist-Lock System – Roloc fastening locks each disc firmly
    with a simple twist, preventing slippage and ensuring uniform pressure for
    consistent surface finishes.
  

    Heat-Resistant Performance – Aluminum oxide grit resists clogging
    and heat buildup at high speeds, maintaining cutting efficiency while protecting
    stainless steel and heat-sensitive alloys.
  

    3× Longer Disc Life – Premium abrasive formulation and resin bonding
    outlast generic alternatives, reducing disc changes and lowering consumable costs.
  

Proven Applications

Ideal for metalworking professionals who require reliable performance:

Fabricators removing weld spatter and prepping joints
Automotive technicians blending body panels and deburring
Machinists smoothing edges on CNC-cut components
Maintenance teams removing rust, scale, and surface contamination

Technical Specifications

Specification	Details
Product Number	3M E-43222
Diameter	2 inches (50.8 mm)
Abrasive Material	Aluminum Oxide
Grit	50 (Medium Coarse)
Fastening Type	Roloc Type R (Male Roll-On)
Maximum RPM	25,000
Backing	Fiber-reinforced resin
Color	Burgundy / Brown
Quantity	25 discs per pack

Frequently Asked Questions

What makes Roloc discs different from regular sanding discs?

Roloc discs use a twist-lock fastening system that provides a more secure attachment than hook-and-loop options. This prevents slippage at high speeds and ensures consistent cutting performance.

Can these discs be used on different metals?

Yes. These discs perform effectively on carbon steel, aluminum, stainless steel, and mixed alloys, making them ideal for shops handling varied materials.

What tool is required to use these discs?

A high-speed die grinder equipped with a 2-inch Roloc Type R backing pad. Tools must be rated for up to 25,000 RPM.

Why choose 50 grit?

50 grit offers an ideal balance between aggressive material removal and control, making it perfect for weld grinding, rust removal, and heavy surface preparation without excessive gouging.

Get Professional Roloc Discs Today

Stock your shop with 3M E-43222 Roloc Discs and experience faster, longer-lasting metal surface preparation.

About the Brand

3M

Innovation is at the heart of everything 3M does, and their automotive products are no exception. Drawing on over a century of material science expertise, 3M creates products that meet the demanding needs of modern automotive work. Their commitment to quality is evident in every product they make. Professionals choose 3M because they know they're getting proven performance. Make the smart choice and work with 3M.

View All 3M Products

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