will this fit a 4-1/2 angle grinder

It has a 5/8" hole so as long as your grinder has a 5/8" pilot (almost all of them do), it'll fit fine. I've put it in my Milwaukee 4.5" angle grinder with no issues.

Is the diamond media embedded or is it stuck on with glue &/or on a secondary a sheet?

Electroplated, coated, plated. Material of the diamond grinding disc: Diamond, steel plate. The diamond is plated to the surface of the steel plate, The diamond grinding disc coated monocrystalline (single crystal diamond). Diamond coating surface area : almost 95%,only one side is coated diamond

What is maximum RPM for this grinder disc?

Dear Customer,Thank you for your inquiry.Maximum RPM for this grinder disc 3800-5000 RPM.Should you have any queries, please contact me directly.Best Regards!

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JINGLING 4" inch 100mm Diamond Flat Lap Disc Coated Grinding Disk Grit 320 Medium

Product ID: 39719556

Details

Grit Material
Diamond
Product Dimensions
4"L x 4"W
Brand
JINGLING
Compatible Devices
Bench Grinder
Grit Type
Medium

💎320 medium diamond grit for precision grinding

📏4" (100mm) diameter for versatile use

⚙️5/8" (16mm) arbor hole fits standard grinders

$37.66

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Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💎 Sharpen your craft with precision that dazzles!

PRO LEVEL FINISH - Enables smooth, professional edges with medium grit 320 for expert results
MULTI MATERIAL MASTERY - Ideal for gemstones, jewelry, glass, rock, and carving knives
DURABLE DIAMOND COATING - High-density diamond layer covers 95% surface for long-lasting performance
UNIVERSAL COMPATIBILITY - Fits all angle grinders with 5/8" arbor hole for seamless integration
PRECISION PERFECT FLATNESS - Absolutely flat & parallel surface for flawless faceting

The JINGLING 4" (100mm) Diamond Flat Lap Disc features a 320 medium grit diamond coating on a perfectly flat, 1.1mm thick disc with a 5/8" arbor hole, designed for precision grinding on gemstones, jewelry, glass, and more. Compatible with angle grinders, it delivers professional-grade smoothness and durability, making it a top choice for hobbyists and pros alike.

Specifications

ASIN	B01GU3427M
Best Sellers Rank	#6,448 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Grinding Discs
Brand	JINGLING
Brand Name	JINGLING
Compatible Devices	Bench Grinder
Compatible Material	Glass
Construction Type	Super-Abrasive
Customer Reviews	4.5 out of 5 stars 275 Reviews
Grit Material	Diamond
Grit Material Type	Diamond
Grit Number	320
Grit Type	Medium
Industry Standard Identifier	708747503913
Item Diameter	10 centimeters
Item Dimensions	3.94 x 3.94 x 0.04 inches
Item Dimensions L x W	4"L x 4"W
Item Thickness	1.1 millimeters
Item Weight	2.4 ounces
Manufacturer	JINGLING
Material Type	Carbon Steel, Diamond
Maximum Rotational Speed	40000 rpm
Model	MP-YX100-320
Number of Items	1
Number of Packs	1
Part Number	MP-YX100-320
Product Dimensions	4"L x 4"W
Recommended Uses For Product	Grinding
UPC	708747503913
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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$37.66

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered 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 Ecuador.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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