---
product_id: 465969231
title: "JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4\" inch 100mm Arbour 5/8\" Grit 120 Coarse"
brand: "jingling"
price: "147 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/465969231-joiner-grit-120-diamond-coated-flat-lap-disc-grinding-polishing
store_origin: RO
region: Romania
---

# 120 grit diamond coating 4" diameter precision 5/8" arbor fit JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse

**Brand:** jingling
**Price:** 147 Lei
**Availability:** ✅ In Stock

## Summary

> 💎 Grind with precision, shine with confidence!

## Quick Answers

- **What is this?** JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse by jingling
- **How much does it cost?** 147 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/465969231-joiner-grit-120-diamond-coated-flat-lap-disc-grinding-polishing)

## 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

- • **Ultra-Thin Design:** 1-1.1mm thickness for smooth, controlled polishing
- • **Versatile Mastery:** Ideal for jewelry, glass, rock & lapidary projects
- • **Precision Perfected:** Absolutely flat & parallel for flawless faceting
- • **Durable Diamond Edge:** 120 grit coarse for efficient rough & fine grinding
- • **Seamless Compatibility:** Fits standard 5/8" arbor for easy tool integration

## Overview

The JOINER 4" (100mm) diamond-coated flat lap disc features a 120 grit coarse surface with a 5/8" arbor hole, designed for high-precision grinding and polishing of jewelry, glass, and rocks. Its ultra-flat, parallel design ensures exact faceting and smooth finishes, making it a must-have for serious hobbyists and professionals seeking flawless results.

## Description

JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse

## Features

- Outside diameter: 4" inch (100mm);?Arbor hole: ?5/8" (16mm);Thickness : ?1-1.1 mm
- Suitable to grind and polish jewelry, glass, rock, etc¡­
- These diamond discs are one of the finest discs manufactured for Hobby, Lapidary, Glass applications
- They are absolutely flat and parallel to meet the most exacting faceting requirements.
- Recommended for rough and fine grinding on faceting material plus general lapidary grinding when precision is required.

## Product Details

- **Grit material:** Diamond
- **Product dimensions:** 10.2L x 10.2W centimeters
- **Brand:** JINGLING
- **Compatible devices:** Angle Grinder
- **Grit type:** 120

## Images

![JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse - Image 1](https://m.media-amazon.com/images/I/91AehBk-ahL.jpg)
![JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse - Image 2](https://m.media-amazon.com/images/I/81L5Q-E2joL.jpg)
![JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse - Image 3](https://m.media-amazon.com/images/I/91a5qvTo4cL.jpg)
![JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse - Image 4](https://m.media-amazon.com/images/I/81MP2N17UwL.jpg)
![JOINER (Grit 120) - Diamond Coated Flat Lap Disc Grinding Polishing Wheel 4" inch 100mm Arbour 5/8" Grit 120 Coarse - Image 5](https://m.media-amazon.com/images/I/51ZTM4pcnSL.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

## Frequently Bought Together

- JINGLING 4" inch 100mm Diamond Flat Lap Discs Grinding Disk Grit 120 Coarse
- 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, Medium (1540-4)

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**Shop now:** [https://www.desertcart.ro/products/465969231-joiner-grit-120-diamond-coated-flat-lap-disc-grinding-polishing](https://www.desertcart.ro/products/465969231-joiner-grit-120-diamond-coated-flat-lap-disc-grinding-polishing)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-10*