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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3M 048011-18730 2 3M-18730 Roloc Bristle Disc Grade-50, Size, Green

3M 048011-18730 2 3M-18730 Roloc Bristle Disc Grade-50, Size, Green

Product ID: 123799227

Details

Brand
3M
Compatible devices
Angle Grinder
Grit material
Ceramic Oxide
Grit type
Medium
Product dimensions
5.1L x 5.1W

🔧Grade 50 ceramic aluminum oxide grit

🟢2-inch diameter precision fit

⚙️Max 25,000 RPM spin speed

€ 53.52

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Description

🛠️ Power through metal prep like a pro with 3M’s Roloc Bristle Disc!

TRUSTED 3 M QUALITY - Industry-leading durability with 4.6-star user approval
DURABLE CERAMIC GRIT - Grade 50 medium grit for balanced polishing and rust removal
VERSATILE METAL MASTERY - Optimized for automotive aluminum and metal surfaces
PRECISION FIT FOR PRO TOOLS - Compact 2-inch size designed for angle grinders
UNMATCHED SPEED EFFICIENCY - Spin up to 25,000 RPM for rapid surface prep

The 3M 18730 Roloc Bristle Disc is a 2-inch, Grade 50 ceramic aluminum oxide abrasive designed for high-speed (up to 25,000 RPM) polishing and rust removal on automotive aluminum and metal. Compatible with angle grinders, it delivers professional-grade durability and precision, making it a top choice for efficient surface preparation.

Specifications

ASIN	B002P55TX6
Best Sellers Rank	26,010 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 7 in Bristle Discs
Brand	3M
Compatible Devices	Angle Grinder
Compatible Material	Aluminum, Metal
Construction Type	Coated
Customer Reviews	4.6 4.6 out of 5 stars (827)
Grit Material Type	Ceramic Aluminium Oxide
Grit Number	50.0
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	5.1 x 5.1 x 5.1 centimetres
Item Dimensions L x W	5.1L x 5.1W centimetres
Item Thickness	2 Inches
Item Type Name	3M 3M-18730 Roloc Bristle Disc Grade - 50, Size - 2
Manufacturer	3M
Manufacturer Part Number	MMM4801118730
Material	Aluminum Oxide, Ceramic
Max Rotational Speed	25000 RPM
Model Number	048011-18730
Number of Items	10
Number of Packs	1
Recommended Uses For Product	Polishing, Rust Removal
Set Name	Single
UPC	048011187303
Unit Count	1.0 count

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€ 53.52

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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