Does anyone have a problem with the finer grits delaminating as with the Uxcell brands?

I have not had any problems yet.

do you make one that is coated on both sides?

Hello, only one side is coated diamond particles. The back of diamond grinding disk is a smooth and flat steel plate, and there are no diamond particles.

Can this be used for diamond? SiC? What is the roughness of the lap?

The roughness is 3000 grit... and it is diamond

I assume that they are made in China. I have 5 different grits that I use to smooth the edges of glass wine bottles that I cut. I put them on a wooden backer, mount them on my wood lathe, and use a spray bottle of water to keep them wet while I grind glass. This prevents over heating and having ground glass floating around my shop. A bucket catches the drips. They have worked very well and have lasted well.

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6" inch 150 mm Grit 120 Diamond Grinding Disc Abrasive Wheel Coated Flat Lap Disk Jewelry Tools for Gemstone Glass Rock Ceramics

Product ID: 46289298

Details

Brand
JOINER
Compatible Devices
[Angle Grinder
Grit Material
Diamond
Grit Type
Coarse
Product Dimensions
6"L x 6"W

💎120 grit coarse diamond coating for precision grinding

🔷6-inch (150mm) diameter for versatile use

⚙️1/2-inch arbor hole fits standard grinders

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$U1317

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Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Elevate your craft with precision diamond power — don’t get left behind!

PRO LEVEL FINISH - Designed for both rough and fine grinding stages, delivering smooth, professional edges that stand out.
DIAMOND POWER GRIND - High-density diamond coating covers 95% of the surface for unmatched durability and efficiency.
MULTI MATERIAL MASTERY - Ideal for gemstone, glass, rock, ceramics, and even carving knives—your all-in-one grinding solution.
VERSATILE COMPATIBILITY - Fits angle, bench, and die grinders with a standard 1/2" arbor hole for seamless integration.
PRECISION PERFECT FLATNESS - Absolutely flat and parallel surface ensures flawless faceting every time.

The JOINER 6" Diamond Grinding Disc features a 120 grit coarse diamond coating on a perfectly flat 1.2mm thick steel base, designed for high-precision grinding of gemstones, glass, ceramics, and more. Compatible with standard 1/2" arbor grinders, this disc offers durable, efficient material removal and professional-quality finishes, making it a must-have for serious hobbyists and professionals alike.

Specifications

ASIN	B071JVQXT8
Best Sellers Rank	#71,302 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #136 in Grinding Discs
Brand	JOINER
Brand Name	JOINER
Compatible Devices	[Angle Grinder, Bench Grinder, Die Grinder]
Compatible Material	Aluminum, Glass
Construction Type	Coated,grinding
Customer Reviews	4.0 out of 5 stars 22 Reviews
Grit Material	Diamond
Grit Material Type	Diamond
Grit Number	120
Grit Type	Coarse
Item Dimensions	6 x 6 x 0.04 inches
Item Dimensions L x W	6"L x 6"W
Item Thickness	1.2 Millimeters
Manufacturer	JOINER
Material Type	Carbon Steel
Model	MP-YX152-120
Product Dimensions	6"L x 6"W
UPC	708747499056

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$U1317

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered 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 Uruguay.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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6" inch 150 mm Grit 120 Diamond Grinding Disc Abrasive Wheel Coated Flat Lap Disk Jewelry Tools for Gemstone Glass Rock Ceramics

Details

Details

Description

Specifications

Reviews

Common Questions