---
product_id: 39719556
title: "4\" inch 100mm Diamond Flat Lap Disc Coated Grinding Disk Grit 320 Medium"
brand: "jingling"
price: "7.76 OMR"
currency: OMR
in_stock: true
reviews_count: 10
category: "Jingling"
url: https://www.desertcart.com.om/products/39719556-4-inch-100mm-diamond-flat-lap-disc-coated-grinding-disk
store_origin: OM
region: Oman
---

# 320 medium diamond grit for precision grinding 4" (100mm) diameter for versatile use 5/8" (16mm) arbor hole fits standard grinders 4" inch 100mm Diamond Flat Lap Disc Coated Grinding Disk Grit 320 Medium

**Brand:** jingling
**Price:** 7.76 OMR
**Availability:** ✅ In Stock

## Summary

> 💎 Sharpen your craft with precision that dazzles!

## Quick Answers

- **What is this?** 4" inch 100mm Diamond Flat Lap Disc Coated Grinding Disk Grit 320 Medium by jingling
- **How much does it cost?** 7.76 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/39719556-4-inch-100mm-diamond-flat-lap-disc-coated-grinding-disk)

## Best For

- jingling enthusiasts

## Why This Product

- Trusted jingling brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **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

## Overview

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.

## Description

JINGLING 4" inch 100mm Diamond Flat Lap Disc Grinding Disk Arbor 5/8 Grit 320 Medium Product Name: 4 inch diamond grinding disc, 100mm grinding wheels, Flat lap grinding disk Outside diameter :4" inch (100mm) Arbor hole : 5/8" (16mm) Thickness : 1.1 mm Grit : 320 Grit type: Medium Diamond coating density : Perfectly high Diamond coating surface area : almost 95%, only one side is coated diamond Total Quantity: 1 Piece It is recommended to add water during the grinding process Suitable to grinding gemstone, jewelry, glass, rock, carving knife, etc. These diamond discs are one of the finest discs manufactured for hobby, lapidary, glass applications The diamond flat lap wheels have a high density quality diamond coating The 4" lap discs are absolutely flat and parallel to meet the most exacting faceting requirements When used as part of a multi-stage grinding process it's easy to create smooth finished edges with a professional look Quick Tips 1. Recommended for rough grinding on faceting material plus general lapidary grinding when precision is required 2. All diamond flat laps wheels have a 5/8" arbor hole, can be used in the angle grinder Also Available in Grits 60, 80, 100, 120, 150, 180, 240, 320, 400, 500, 600, 800, 1000, 1200, 1500, 1800, 2000, 3000

Review: Great for Tungsten - These discs are AMAZING for sharpening tungsten. They last through multiple sharpening sessions and a good value for money. Highly recommend these!
Review: Would buy again - These hold up good for using to sharpen tungsten.

## Features

- Outside diameter: 4" inch(100mm); Arbor hole: 5/8" (16mm); Thickness: 1.1mm; Grit: 320 Medium
- Suitable to grinding gemstone, jewelry, carving knife, glass, rock, tile, etc
- All diamond flat laps wheels have a 5/8" arbor hole, can be used in the angle grinder
- Absolutely flat and parallel to meet the most exacting faceting requirements
- Recommended for grinding on faceting material plus lapidary grinding when precision is required

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01GU3427M |
| Best Sellers Rank | #7,776 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 268 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 |
| Part Number | MP-YX100-320 |
| Product Dimensions | 4"L x 4"W |
| Recommended Uses For Product | Grinding |
| UPC | 708747503913 |
| Unit Count | 1 Count |

## Product Details

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

## Images

![4" inch 100mm Diamond Flat Lap Disc Coated Grinding Disk Grit 320 Medium - Image 1](https://m.media-amazon.com/images/I/91hrmezW8+L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: will this fit a 4-1/2 angle grinder**
A: 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.

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

**Q: What is maximum RPM for this grinder disc?**
A: 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!

**Q: what grit would you use to sharpen carbide table saw blades?**
A: 400-600

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for Tungsten
*by A***X on April 30, 2026*

These discs are AMAZING for sharpening tungsten. They last through multiple sharpening sessions and a good value for money. Highly recommend these!

### ⭐⭐⭐⭐⭐ Would buy again
*by S***Y on December 29, 2025*

These hold up good for using to sharpen tungsten.

### ⭐⭐⭐⭐ 🎶 Struggled With It! Tiggin' again! Now the tig gun burns at both ends! 🎶
*by J***M on July 28, 2026*

This thing is great for sharpening tungsten for TIG welding. I got the idea from "Making Mistakes With Greg"

## Frequently Bought Together

- JINGLING 4" inch 100mm Diamond Flat Lap Disc Coated Grinding Disk Grit 320 Medium
- Weldmonger TIG Finger Heat Shield, Pocket Size, Fiberglass, Unisex
- Caiman Premium Goat Grain TIG/Multi-Task Welding Gloves, Split Cowhide Back, 4-Inch Extended Cuff, White/Gold, Large (1540-5)

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**Shop now:** [https://www.desertcart.com.om/products/39719556-4-inch-100mm-diamond-flat-lap-disc-coated-grinding-disk](https://www.desertcart.com.om/products/39719556-4-inch-100mm-diamond-flat-lap-disc-coated-grinding-disk)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-09-09*