How many do you get for 16.58?

Just one of them. It is a 2" 50 grit (green) Roloc disc. You also will need the Roloc 2" adapter if you do not have it already. These bristle discs do last a long time though.

Is this product used with a regular grinder?

These bristle discs come in different sizes, as well as different grits. They come in 2",3" and 4 1/2" The 2" ones shown here, attach to a roloc adapter that ends in a 1/4" shaft. It is intended to be used in a die grinder which come straight or right angle. The large 4 1/2" discs are intended for use in a regular right angle grinder. They are also made in wheel form for use on a bench grinder. BTW the roloc adapters also accept Scotch Brite pads of various grits. These are expensive; the 4 1/2 ones are REALLY expensive

Do you recommend using these for carbon buildup on piston heads?

Maybe use one of the the higher grit ones yes. They work quite well. Used one to clean the heads on our explorer when we rebuilt the engine just don't dig into and put a lot of pressure on it let the bristles do the work

Looking for something to scuff between layers of fiberglass and epoxy on a boat, would this be easier than by hand or a orbital sander?

These guys are pretty small so think about surface area. Personally I tried work bigger than 2 square feet and eventually moved to other tools

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Scotch-Brite™ Roloc™ Bristle Disc, RD-ZB, 50, TR, Green, 2 in x 5/8 in, Tapered

Scotch-Brite™ Roloc™ Bristle Disc, RD-ZB, 50, TR, Green, 2 in x 5/8 in, Tapered

Product ID: 16987102

Details

Brand
3M
Compatible Devices
Angle Grinder
Grit Material
Ceramic Oxide
Grit Type
Medium
Product Dimensions
2"L x 2"W

💎50 grit ceramic aluminum oxide

⚙️Max 25,000 RPM spin speed

🛠️2-inch diameter precision fit

¥4815

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Description

⚡️ Power through metal prep with precision and speed!

DURABLE ABRASIVE LIFE - Proprietary ceramic grain maintains sharpness throughout use
PRECISION FIT SPEED - 2-inch disc spins up to 25,000 RPM for rapid metal finishing
VERSATILE METAL MASTERY - Ideal for automotive aluminum and metal polishing or rust removal
UNMATCHED SURFACE CONTACT - Flexible bristles deliver superior coverage vs. wire brushes
TRUSTED INDUSTRIAL STANDARD - Ranked #3 in Bristle Discs with 4.6-star rating from pros

The 3M Scotch-Brite™ Roloc™ Bristle Disc RD-ZB 50 Grade is a 2-inch diameter abrasive tool designed for high-speed (up to 25,000 RPM) metal finishing. Featuring a unique ceramic aluminum oxide grit and flexible bristles, it offers superior surface contact and long-lasting abrasive performance, making it a top choice for automotive and industrial metal polishing and rust removal.

Specifications

ASIN	B002P55TX6
Best Sellers Rank	#16,384 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Bristle Discs
Brand Name	3M
Compatible Devices	Angle Grinder
Compatible Material	Metal
Construction Type	Coated
Customer Reviews	4.6 4.6 out of 5 stars (844)
Grit Material Type	Ceramic Aluminum Oxide
Grit Number	50
Grit Type	Medium
Included Components	3M 3M-18730 Roloc Bristle Disc Grade - 50, Size - 2
Industry Standard Identifier	3M-18730
Item Diameter	2 inches
Item Dimensions	2 x 2 x 2 inches
Item Dimensions L x W	2"L x 2"W
Item Thickness	2 inches
Item Type Name	3M 3M-18730 Roloc Bristle Disc Grade - 50, Size - 2
Manufacturer	3M
Material Type	Ceramic Abrasive Grain
Maximum Rotational Speed	25000 rpm
Model	048011-18730
Number of Items	10
Number of Packs	1
Part Number	MMM4801118730
Recommended Uses For Product	Polishing, Rust Removal
UPC	048011187303
Unit Count	1 Count
Warranty Description	Manufacturer

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¥4815

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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