The 3M Scotch-Brite Roloc Bristle Disc (RD-ZB, 7524) is a 2-inch, 50-grit coarse abrasive disc engineered for demanding surface conditioning, blending, and finishing applications on metal and other industrial materials. Constructed with proprietary ceramic abrasive grain blended with aluminum oxide and molded into flexible, tapered bristles, this disc delivers consistent surface contact and aggressive cutting action throughout its entire service life. The Roloc (TR) quick-change attachment system allows for rapid, tool-free mounting and removal, maximizing productivity in high-volume work environments. Unlike wire brushes, the flexible bristle design conforms to irregular surface contours, reducing the risk of gouging while maintaining effective abrasion.
Features
Proprietary ceramic abrasive grain blended with aluminum oxide for consistent, long-lasting cutting performance
Flexible, molded tapered bristles provide greater surface contact than wire brushes
Abrasive properties are retained throughout the full life of the disc
Roloc (TR) quick-change attachment enables fast, tool-free disc changes
Tapered bristle geometry helps the disc conform to complex or contoured surfaces
Maximum operating speed of 25,000 RPM for use with high-speed power tools
Made in the USA
Specifications
Brand: 3M
Trade Name: Scotch-Brite
Model: RD-ZB
Part Number: 07524
3M ID: 61500135423
Grit: 50
Grade: Coarse
Outside Diameter: 2 in
Bristle Length: 5/8 in
Bristle Type: Tapered
Abrasive Material: Ceramic / Aluminum Oxide Blend
Color: Green
Attachment Type: Roloc (TR) Quick-Change
Maximum Operating Speed: 25,000 RPM
Item Weight: 8 oz
Shelf Life: 1,825 days
Country of Origin: USA
Shipping
- We will usually ship your order in 1 to 2 business days! Orders purchased before 2:00 pm EST may be shipped the same day.
- Your order must have a subtotal of $199 or more to be eligible for free shipping.
- The delay of your order will depend on your location and from which warehouse your order is shipped from. We will always ship your order from the closest available warehouse. Based on our experience, we estimate the transit time to be between 1 to 3 business days across Canada (excluding NWT, Yukon and Nunavut) and 2 to 5 business days to USA.
- All orders will be shipped from Canada.
- You may pick up your order at one of our warehouses, Monday to Friday, from 8 am to 5 pm. Pickup orders are usually ready within 4 hours.
Returns
We are offering a 30-day money-back guarantee!
If you are not satisfied with your purchase within 30 days of receiving the product, you can ship it back to us for a refund or exchange.
Before returning the item, kindly send us a request using the Self-Serve Return option or contact our customer support team to get your return authorization. You may contact us by email at support@mprtools.com, phone at 1-800-905-0410, or chat through our website. We are available Monday to Friday from 8 am to 5 pm ET.
We want to guarantee your experience with us will be outstanding. Here are just a few of the reasons why mprtools.com is the go-to company to get your tools from:
1-Year Price Match Guarantee
We work very hard to ensure we offer the absolute best prices online. If you find it at a lower price somewhere else within 365 days of purchasing, please message us, and we’ll credit you back the difference right away.
30-Day Money-Back Guarantee
It's our duty to provide superior quality tools you can trust to get the job done. If you're not fully satisfied with your order, you can request a return for a complete reimbursement.
