3M 21758 Scotch-Brite Roloc Pro Brake Hub Cleaning Disc Kit, 5 Discs & Holder

Q: How does this compare to wire brushes for brake hub cleaning? A: Unlike wire brushes that can damage wheel stud threads and create flying debris, these silicon carbide discs clean safely around studs without requiring masking. The non-woven construction won't clog like wire brushes and provides more consistent surface preparation throughout the disc life.

Q: How does this compare to wire brushes for brake hub cleaning? Unlike wire brushes that can damage wheel stud threads and create flying debris, these silicon carbide discs clean safely around studs without requiring masking. The non-woven construction won't clog like wire brushes and provides more consistent surface preparation throughout the disc life.

Q: What tools do I need to use this brake hub cleaning disc kit? A: You'll need a die grinder or right-angle grinder capable of accepting Roloc attachments. The included holder fits standard 1/4-inch collets and operates safely up to 20,000 RPM. Most automotive shops already have compatible tools.

Q: What tools do I need to use this brake hub cleaning disc kit? You'll need a die grinder or right-angle grinder capable of accepting Roloc attachments. The included holder fits standard 1/4-inch collets and operates safely up to 20,000 RPM. Most automotive shops already have compatible tools.

Q: Can these discs be used on aluminum brake hubs? A: Yes, the silicon carbide abrasive works effectively on aluminum, steel, and cast iron brake hubs. The controlled abrasive action removes corrosion without excessive material removal, making it safe for all common brake hub materials.

Q: Can these discs be used on aluminum brake hubs? Yes, the silicon carbide abrasive works effectively on aluminum, steel, and cast iron brake hubs. The controlled abrasive action removes corrosion without excessive material removal, making it safe for all common brake hub materials.

Q: How many brake jobs will one kit handle? A: Each disc typically handles 8-12 brake hubs depending on corrosion severity. With 5 discs included, this kit provides enough capacity for 40-60 brake hubs, making it cost-effective for busy shops while ensuring consistent results on every job.

Q: How many brake jobs will one kit handle? Each disc typically handles 8-12 brake hubs depending on corrosion severity. With 5 discs included, this kit provides enough capacity for 40-60 brake hubs, making it cost-effective for busy shops while ensuring consistent results on every job.

$25.26

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Product variants

3M Scotch-Brite brake hub cleaning disc kit featuring five dark gray silicon carbide non-woven discs with hollow centers alongside yellow Roloc quick-change holder attachment

Professional Rust Removal – 3M Scotch-Brite Brake Hub Cleaning Disc Kit (21758, 5 Discs)

Reliable Hub Prep Without Stud Damage

Rusted brake hubs cause rotor runout, brake pulsation, and premature pad wear. This professional brake hub cleaning disc kit from 3M removes corrosion 5x faster than wire brushes while protecting wheel stud threads completely, reducing prep time by 60% and supporting speeds up to 20,000 RPM. The silicon carbide discs safely clean brake hubs without requiring masking tape or thread protectors, extending disc life by 2x compared to traditional abrasives.

Key Benefits That Set This Kit Apart

Stud-Safe Hub Design - The hollow center design slides over wheel studs without requiring masking tape or thread protectors. Unlike wire brushes that can damage threads, these discs clean around studs safely while reaching every surface contour for professional brake preparation.

Fast Silicon Carbide Removal - Each disc features sharp silicon carbide mineral in a non-woven nylon web that removes rust and scale without excessive material removal. The open web structure resists loading and clogging for consistent performance, cutting cleaning time by 60%.

Quick-Change Roloc Efficiency - The included Roloc holder connects to die grinders and right-angle tools for instant disc changes. No threading, no fumbling with attachments – just twist-on, twist-off productivity that reduces setup time between vehicles by up to 75%.

Professional Grade Durability - Industrial-strength construction handles continuous use at speeds up to 20,000 RPM. Each disc maintains cutting efficiency for 8–12 brake hubs, providing consistent surface preparation quality that eliminates brake comebacks and ensures proper rotor seating.

Perfect for These Applications

Brake rotor replacement and hub surface preparation
Fleet maintenance and commercial vehicle brake service
Automotive shop brake jobs requiring precise hub cleaning
Collision repair shops preparing brake components for reassembly
Heavy-duty truck brake maintenance and overhaul

Technical Specifications

3M Scotch-Brite Brake Hub Cleaning Disc Kit (21758) Complete Specifications
Specification	Detail
Kit Contents	5 Cleaning Discs + 1 Roloc Holder
Disc Diameter	3 inches (76.2 mm)
Abrasive Material	Silicon Carbide
Construction	Non-woven Nylon Web
Attachment Type	Roloc Quick-Change System
Maximum RPM	20,000
Compatible Tools	Die Grinders, Right-Angle Grinders
Part Number	3M 21758

Frequently Asked Questions

How does this compare to wire brushes for brake hub cleaning?

Unlike wire brushes that can damage wheel stud threads and create flying debris, these silicon carbide discs clean safely around studs without requiring masking. The non-woven construction won't clog like wire brushes and provides more consistent surface preparation throughout the disc life.

What tools do I need to use this brake hub cleaning disc kit?

You'll need a die grinder or right-angle grinder capable of accepting Roloc attachments. The included holder fits standard 1/4-inch collets and operates safely up to 20,000 RPM. Most automotive shops already have compatible tools.

Can these discs be used on aluminum brake hubs?

Yes, the silicon carbide abrasive works effectively on aluminum, steel, and cast iron brake hubs. The controlled abrasive action removes corrosion without excessive material removal, making it safe for all common brake hub materials.

How many brake jobs will one kit handle?

Each disc typically handles 8–12 brake hubs depending on corrosion severity. With 5 discs included, this kit provides enough capacity for 40–60 brake hubs, making it cost-effective for busy shops while ensuring consistent results on every job.

Get Professional Brake Hub Cleaning Results

Stop dealing with brake comebacks caused by rusty hub surfaces. This Scotch-Brite brake hub cleaning disc kit delivers the consistent surface preparation your brake jobs need. Each disc removes corrosion efficiently while the Roloc system keeps your workflow fast and productive.

Order your 3M brake hub cleaning kit today and experience the difference professional-grade tools make in your brake service quality.

Why Choose the 3M Scotch-Brite Brake Hub Cleaning Kit

The 3M Scotch-Brite Brake Hub Cleaning Disc Kit (21758) represents the professional standard for brake hub surface preparation. With its stud-safe design, rapid rust removal capability, and quick-change efficiency, this kit transforms brake service productivity while ensuring consistent, comeback-free results. Whether you're maintaining a commercial fleet or running a busy automotive shop, these silicon carbide discs deliver the performance and reliability your brake jobs demand. Invest in professional-grade tools that protect your reputation and your customers' safety.

About the Brand

3M

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