--- product_id: 430914880 title: "SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm" brand: "shdiatool" price: "25043 kr" currency: ISK in_stock: false reviews_count: 5 category: "Shdiatool" url: https://www.desertcart.is/products/430914880-shdiatool-diamond-core-drill-bits-1-1-2-inch-hard store_origin: IS region: Iceland --- # Laser welded diamond segments for unmatched durability Supports dry & wet drilling to extend bit lifespan 38mm diameter with 5/8 inch-11 threaded shank for versatile fit SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm **Brand:** shdiatool **Price:** 25043 kr **Availability:** āŒ Out of Stock ## Summary > šŸ’Ž Drill Like a Pro, Last Like a Legend! ## Quick Answers - **What is this?** SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm by shdiatool - **How much does it cost?** 25043 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/430914880-shdiatool-diamond-core-drill-bits-1-1-2-inch-hard) ## Best For - shdiatool enthusiasts ## Why This Product - Trusted shdiatool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - ā€¢ **Wet or Dry Operation:** Maximize bit life and efficiency by choosing your drilling method - ā€¢ **Robust Diamond & Steel Build:** Engineered for hard stone, granite, marble, concrete, and brick with aggressive turbo segments - ā€¢ **Versatile 38mm Core Diameter:** Perfectly sized for plumbing, faucet mounts, and stone countertop installations - ā€¢ **Precision Laser Welded Durability:** Ensures segments stay intact even under dry, high-stress drilling - ā€¢ **Seamless Angle Grinder Compatibility:** Fits standard angle grinders with adapters for SDS, hex, and round shanks ## Overview The SHDIATOOL 1-1/2 inch (38mm) diamond core drill bit combines laser welded diamond segments with a strong steel body to deliver superior durability and precision. Designed for hard materials like granite, marble, concrete, and brick, it supports both dry and wet drilling to extend tool life. Compatible with angle grinders and adaptable to various drill types, this bit is ideal for professional-grade plumbing, countertop, and masonry projects. ## Description Product Name: Laser Welded Diamond Dry Drilling Core Bits Quantity: 1pc 38mm(1-1/2-Inch) Specification: Diameter: 38MM, Total length: 100MM The thread of this core drill bit is 5/8-Inch-11,Recommended Machine: angle grinder If you fit them on drill or other machine, you need an adapter, such as SDS, hex, Round plus shank... Application: Drilling hard granite marble concrete all mature stone Feature: 1. SUPREME Grade and Special bond matrix extends drilling life and improve the working efficiency 2. Laser welded technology avoid segments off when dry working 3. Turbo segments provide aggressive drilling speed (32mm & above) 4. Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers and vanities 5. Vacuum brazed side protection offers clean cut & steel core protection (inside and outside both, 20MM & above ) 6. Dry or Wet Drilling - use wet will greatly prolong the segment life =======THE END====== Available Diameter: 6mm-102mm(1/6 Inch to 4 Inch). Operation Tips for Laser Welded Diamond Dry core bits 1.Fix it on angle grinder tightly and rightly 2.Turn on the angle grinder and let the core bits rotating in the air to check if there is balance problem. 3.Hold the machine very steadily and give gentle pressure 4. Start drilling as per following instructions: 1) place the drill at a 30 degree angle, it will help to position 2) Drilling the material till the hole start to form 3) Bring the drill up into upright position slowly then keep drilling vertically. 5. Do not give too much pressure or sway the core bits when working If find hard to drill, take a break and check the segments. If the segment become blunt, please try to sharp it by drilling a hole on the abrasive concrete and then continue to drill the hard material. Review: I needed to drill some holes through brick. Bought this tool. And in less than thirty minutes I was finished. Worked just fine. Review: I used this to core drill 6 holes on my granite tread steps, it works great with the corded hand grinder! I use the garden hose to spray water as Iā€™m drilling. The core bit still looking great with no signs of damage! It exceeded my expectations! Excellent product! ## Features - The core bits is designed for drilling hard granite, marble, engineering stone, concrete, brick. Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers and vanities - Diameter: 38mm(1-1/2 inch),Total length: 100MM, Thread: 5/8 inch-11. Dry or Wet Drilling - use wet will greatly prolong the segment life - High-Quality Diamond and Stong Steel Body extend drilling life and improve the working efficiency - Laser welded technology avoid segments off when dry working, provide stable drilling - Easily operate on Angle Grinder; Need an adapter for drill or other machine, such as SDS,hex,Round plus shank ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B076LGZX8G | | Brand Name | SHDIATOOL | | Customer Reviews | 4.4 4.4 out of 5 stars (698) | | Cutting Angle String | 30 Degrees | | Cutting Diameter | 1.5 Inches | | Finish Types | Silver | | Item Weight | 1 Pounds | | Manufacturer | SHANGHAI DIATOOL CO., LTD. | | Material Type | Artificial diamond and Steel body | | Minimum Bore Diameter | 39 Millimeters | | Shank Type | Threaded | | Surface Recommendation | Brick, Concrete, Rock, Stone | | Tool Flute Type | Straight | | UPC | 718760495287 | | Unit Count | 1.0 Count | ## Product Details - **Cutting angle string:** 30 Degrees - **Cutting diameter:** 1.5 Inches - **Finish type:** Silver - **Material:** Artificial diamond and Steel body - **Shank type:** Threaded ## Images ![SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm - Image 1](https://m.media-amazon.com/images/I/61ApaF9JNYL.jpg) ![SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm - Image 2](https://m.media-amazon.com/images/I/718R+94hc7L.jpg) ![SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm - Image 3](https://m.media-amazon.com/images/I/812Yx4ZcqiL.jpg) ![SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm - Image 4](https://m.media-amazon.com/images/I/81i74vuRL2L.jpg) ![SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm - Image 5](https://m.media-amazon.com/images/I/81klFygebUL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ā­ā­ā­ā­ā­ Review *by P***N on 12 June 2025* I needed to drill some holes through brick. Bought this tool. And in less than thirty minutes I was finished. Worked just fine. ### ā­ā­ā­ā­ā­ Review *by M***D on 4 November 2025* I used this to core drill 6 holes on my granite tread steps, it works great with the corded hand grinder! I use the garden hose to spray water as Iā€™m drilling. The core bit still looking great with no signs of damage! It exceeded my expectations! Excellent product! ### ā­ā­ā­ā­ā­ Review *by B***. on 7 September 2023* aun no se usa --- ## Why Shop on Desertcart? - šŸ›’ **Trusted by 1.3+ Million Shoppers** ā€” Serving international shoppers since 2016 - šŸŒ **Shop Globally** ā€” Access 737+ million products across 21 categories - šŸ’° **No Hidden Fees** ā€” All customs, duties, and taxes included in the price - šŸ”„ **15-Day Free Returns** ā€” Hassle-free returns (30 days for PRO members) - šŸ”’ **Secure Payments** ā€” Trusted payment options with buyer protection - ā­ **TrustPilot Rated 4.5/5** ā€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.is/products/430914880-shdiatool-diamond-core-drill-bits-1-1-2-inch-hard](https://www.desertcart.is/products/430914880-shdiatool-diamond-core-drill-bits-1-1-2-inch-hard) --- *Product available on Desertcart Iceland* *Store origin: IS* *Last updated: 2026-06-24*