---
product_id: 47760521
title: "JINGLING 20mm 3/4\" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble"
brand: "jingling"
price: "€ 28.36"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/47760521-jingling-20mm-3-4-inch-diamond-hole-saw-core-drill
store_origin: NL
region: Netherlands
---

# 20mm diamond grit precision Wet drilling recommended for durability 75mm total length for deep drilling JINGLING 20mm 3/4" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble

**Brand:** jingling
**Price:** € 28.36
**Availability:** ✅ In Stock

## Summary

> 💎 Drill Like a Pro, Shine Like Gold!

## Quick Answers

- **What is this?** JINGLING 20mm 3/4" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble by jingling
- **How much does it cost?** € 28.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/47760521-jingling-20mm-3-4-inch-diamond-hole-saw-core-drill)

## 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

- • **Prolonged Tool Life:** Designed for wet drilling to reduce heat and friction, extending bit longevity and maintaining peak performance.
- • **Versatile Application:** Ideal for professional countertop, shower, and vanity projects—compatible with bench and hand electric drills.
- • **Durability Meets Speed:** Gold-coated high carbon steel body resists rust and ensures fast, stable drilling at 2080-3140 RPM.
- • **Optimal Depth & Diameter:** 20mm (3/4 inch) diameter with 50mm drill depth—perfect for faucet mounts and plumbing installations.
- • **Precision Diamond Cutting:** Engineered with high-quality diamond grit for clean, chip-free holes in stone, granite, and marble.

## Overview

The JINGLING 20mm Diamond Hole Saw Core Drill Bit combines premium diamond grit with a gold-coated high carbon steel body, delivering precision and durability for drilling through stone, granite, and marble. With a 75mm total length and 50mm drill depth, it’s optimized for plumbing and countertop installations. Recommended for wet drilling to maximize lifespan, this bit ensures fast, chip-free holes and is compatible with both bench and hand drills—making it the go-to tool for professionals demanding flawless results.

## Description

JINGLING 20mm 3/4 inch Diamond Hole Saw Drill Core Bit for Marble Stone Granite Tile  Description: New Professional diamond marble hole saw core drill, made of high quality diamond with precision drilling speed and long life use Product Name: 20 mm sintered diamond core drill bits, 3/4” inch diamond sintered bits Hole/Outer Diameter: 20mm (close 3/4” inch) Inner Diameter: 15.5mm (close to 5/8") Shank Diameter: 10mm (3/8") Total Length: 83mm (3-/5/16") Drill depth: 50mm (2") Recommend Speed: 2080-3140 rpm Quantity: 1 Piece Material: Metal, diamond Color: Gold Tone Application: Mainly used for drilling Stone, Marble, Granite ,Rebar Concrete and other hard material Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers, and vanities We don't recommend drilling holes in smooth ceramics and glass, because it is difficult to complete the drilling operation, and the edge of the hole will chipping Method of Use: Use Wet or Dry To prolong its using life, must use with water for cooling and lubrication Gold paints on the body of this bit to avoid getting rusty Feature drilling stably, fast speed, not breaking the border The hole saw can be used with Bench drill, hand electric drill When you using hand electric drill, start slowly, 45 degree angle, go vertical after you make an initial mark How to use a hand drill to drill holes in the stone/tile? Step 1. The bit on the stone/tile 45 degree, open a half-moon notch on it Step 2. Slowly up the bit to 60 degrees, and then gently drill Step 3. Reached 90 degrees, continue to drill Step 4. Drill through the stone/tile finally, the technique requires a "wobble" of the drill rather that steady pressure straight on The other considerations are depth, if you go more than the 1" or so the bit allows you will need to stop drilling and take a cold c

## Features

- New professional diamond hole saw core drill bits for stone marble granite
- Hole/Outer Diameter: 20mm (3/4 inch); Total Length: 75mm; Drill Depth: 50mm (2 inch)
- Mainly used for drilling marble, granite ,rebar concrete and other hard material
- Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers, and vanities
- Recommended to add water during the drilling process, to prolong its using life

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | High Carbon Steel |
| Finish Type | Gold |
| Shank Type | Straight |
| Cutting Angle String | 60 Degrees |
| Brand | JINGLING |
| Tool Flute Type | Spiral |
| Surface Recommendation | Stone |
| UPC | 708747501285 |
| Unit Count | 1 Count |
| Manufacturer | JINGLING |
| Number of Pieces | 1 |
| Part Number | Stone-Drill-20 |
| Item Weight | 2.39 ounces |
| Item model number | Stone-Drill-20 |
| Is Discontinued By Manufacturer | No |
| Size | 20mm(3/4") |
| Color | Gold |
| Style | Gold |
| Finish | Gold |
| Item Package Quantity | 1 |
| Cutting Diameter | 20 Millimeters |
| Grit Rating | 60 |
| Grit Description | Coarse |
| Batteries Included? | No |
| Batteries Required? | No |
| Assembled Diameter | 20 Millimeters |

## Product Details

- **Material:** High Carbon Steel
- **Finish Type:** Gold
- **Shank Type:** Straight
- **Cutting Angle String:** 60 Degrees
- **Brand:** JINGLING

## Images

![JINGLING 20mm 3/4" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble - Image 1](https://m.media-amazon.com/images/I/71Wt98hKXwL.jpg)
![JINGLING 20mm 3/4" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble - Image 2](https://m.media-amazon.com/images/I/71ifa0YkgGL.jpg)
![JINGLING 20mm 3/4" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble - Image 3](https://m.media-amazon.com/images/I/71MKCogLRKL.jpg)
![JINGLING 20mm 3/4" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble - Image 4](https://m.media-amazon.com/images/I/71+fRL36gBL.jpg)
![JINGLING 20mm 3/4" inch Diamond Hole Saw Core Drill Bit for Stone Granite Marble - Image 5](https://m.media-amazon.com/images/I/71720U+erIL.jpg)

## Available Options

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

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-27*