--- product_id: 97752711 title: "JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone" brand: "jingling" price: "₩29733" currency: KRW in_stock: true category: "Jingling" url: https://www.desertcart.kr/products/97752711-jingling-2pcs-28-mm-diamond-hole-saws-granite-drill-bit store_origin: KR region: South Korea --- # 28mm diamond-coated precision Water-cooled for flawless cuts 5/16" hex shank fits all drills JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone **Brand:** jingling **Price:** ₩29733 **Availability:** ✅ In Stock ## Summary > 💎 Drill Like a Pro, Cut Like a Boss! ## Quick Answers - **What is this?** JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone by jingling - **How much does it cost?** ₩29733 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/97752711-jingling-2pcs-28-mm-diamond-hole-saws-granite-drill-bit) ## 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 - • **Universal Hex Shank:** Fits cordless and upright drills seamlessly for on-the-go professionals. - • **Cool & Clean Cutting:** Water coolant use ensures smooth drilling and extends bit life. - • **No Pilot Drill Needed:** Safe, hassle-free drilling without extra tools or prep work. - • **Durable & Long-Lasting:** High-quality diamond and steel construction built for repeated heavy-duty use. - • **Precision Diamond Edge:** Cut perfect 28mm holes in stone, granite, marble, and tile with zero chipping. ## Overview The JINGLING 2Pcs 28mm Diamond Hole Saws are engineered for flawless, chip-free holes in stone, granite, marble, and tile. Featuring a diamond-coated cutting edge and a universal 5/16" hex shank, these bits fit most drills and deliver precision with every use. Designed for water-cooled drilling, they eliminate the need for pilot bits, making your masonry projects faster and cleaner. Trusted by thousands with a 4.5-star rating, these durable bits are a must-have for professionals and DIYers aiming for perfection. ## Description 2Pcs 28mm Diamond Coated Hole Saw Drill Bits for Stone Granite Marble Ceramic Product Specification Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit Outer Diameter : 28mm (1-1/8") Inner Diameter: 25.2mm( 1") Shank diameter: 8mm (5/16") Total length: 65mm (2-9/16") Drill depth: 29mm depth Quantity: 2 Pcs Use: Masonry Drilling Material: Diamond, steel Features Brand new & High quality Easy to use, good performance and long life Excellent for making clean and accurate hole on stone, granite, marble, tile Works better with a electric drill (Excluding in this item ) Diamond drill set with standard 5/16" shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck Drilling speed: Drill a hole in seconds Use with water as a lubricant The diamond hole saw does NOT have center Pilot Drill There is no need for a Pilot Drill Bit, because pilots are not safe for glass Quick Tips 1. Please add water for coolant and drill slowly 2. Start drill at 45 degree to surface and align to 90 degree as hole forms 3. Never use drills while machine is in hammer action 4. Holes require no futher work as cutting is clean We can list any size( hole diameter from 6mm - 160mm) & amount of this product How to use a hand drill to drill holes in the stone/tile/glass? Step 1. The bit on the stone/tile/glass 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/glass finally, the technique requires a "wobble" of the drill rather that steady pressure straight on ## Features - Product Name: Diamond tip masonry bit, Stone cutting bits, Granite hole bit, Drill bits for rocks - Outer Diameter: 28mm(1-1/8"); Inner Diameter: 25.2mm; Drill Depth: 29mm - Excellent for making clean and accurate hole on stone, granite, marble, tile, glass - Please add water for coolant and drill slowly; Holes require no ruther work as cutting is clean - NOT have center pilot drill, 5/16 inch hex shank will fit handheld or upright drillers ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07HF6X3YZ | | Best Sellers Rank | #284,814 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #456 in Hole Saws | | Brand Name | JINGLING | | Customer Reviews | 4.5 4.5 out of 5 stars (1,743) | | Cutting Angle String | 45 Degrees | | Manufacturer | JINGLING | | Material Type | Low Carbon Steel | | Model | 708747499391 | | Number of Pieces | 2 | | Part Number | 708747499391 | | Shank Type | Hex | | Surface Recommendation | Glass,Stone | | Tool Flute Type | Straight | | UPC | 708747499391 | | Unit Count | 2 Count | ## Product Details - **Brand:** JINGLING - **Cutting Angle String:** 45 Degrees - **Material:** Low Carbon Steel - **Shank Type:** Hex - **Tool Flute Type:** Straight ## Images ![JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone - Image 1](https://m.media-amazon.com/images/I/71pEi3mH4zL.jpg) ![JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone - Image 2](https://m.media-amazon.com/images/I/71sCAXEIWDL.jpg) ![JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone - Image 3](https://m.media-amazon.com/images/I/71oCmfSoNqL.jpg) ![JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone - Image 4](https://m.media-amazon.com/images/I/71GB-023hUL.jpg) ![JINGLING 2Pcs 28 mm Diamond Hole Saws Granite Drill Bit Coated Masonry Tools for Stone - Image 5](https://m.media-amazon.com/images/I/71mtDwPsU7L.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kr/products/97752711-jingling-2pcs-28-mm-diamond-hole-saws-granite-drill-bit](https://www.desertcart.kr/products/97752711-jingling-2pcs-28-mm-diamond-hole-saws-granite-drill-bit) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-07-13*