--- product_id: 780856698 title: "1 Inch Wet Core Drill Bit, 1\" Core Bits for Concrete, 14\" Drilling Depth, 1-1/4\"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm)" brand: "daduori" price: "$223.12" currency: USD in_stock: true category: "Daduo Ri" url: https://www.desertcart.ec/products/780856698-1-inch-wet-core-drill-bit-1-core-bits-concrete store_origin: EC region: Ecuador --- # Diamond-tipped for ultimate sharpness 1-1/4"-7 thread fits standard core drills 14-inch deep drilling capacity 1 Inch Wet Core Drill Bit, 1" Core Bits for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm) **Brand:** daduori **Price:** $223.12 **Availability:** ✅ In Stock ## Summary > 💥 Drill deeper, faster, stronger — the pro’s secret weapon! ## Quick Answers - **What is this?** 1 Inch Wet Core Drill Bit, 1" Core Bits for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm) by daduori - **How much does it cost?** $223.12 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/780856698-1-inch-wet-core-drill-bit-1-core-bits-concrete) ## Best For - daduori enthusiasts ## Why This Product - Trusted daduori brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built for Tough Jobs:** Perfect for electrical, plumbing, HVAC installations—indoor or outdoor, no project too hard. - • **Deep Reach, No Limits:** 14-inch drilling depth lets you conquer thick concrete and masonry effortlessly. - • **Precision Diamond Edge:** Engineered with premium tungsten steel and diamond powder for unmatched durability and cutting speed. - • **Universal Compatibility:** Fits 1-1/4"-7 threaded handheld and rig-mounted core drills for versatile job site use. - • **Long-Lasting Performance:** Proven to withstand heavy rental use and deliver consistent results over dozens of holes. ## Overview The DaduoRi 1 1/2 inch wet core drill bit combines industrial-grade tungsten steel and diamond powder to deliver superior sharpness and durability. Designed for a 14-inch drilling depth, it efficiently cuts through cured concrete, masonry, brick, and stone. Compatible with standard 1-1/4"-7 threaded core drills, this bit is ideal for professional-grade electrical, plumbing, and HVAC installations, offering long-lasting performance even under heavy job site use. ## Description These diamond core drill bits are perfect for a variety of drilling tasks, including concrete, hard masonry, brick block, solid cement, stucco, and stone. The 1-1/4''-7 thread design allows for easy installation and removal. With a drilling depth of 14'', these bits are perfect for a variety of applications, including drilling holes for electrical wiring, plumbing, and HVAC systems. The 1" diamond core drill bit is made from high-quality materials and is designed to provide long-lasting performance. ## Features - 【Wet Core Drill Bits】 These 1" core drill bits are specially designed for wet drilling, which is more efficient and safer than dry drilling. They are made of high-quality tungsten carbide and have a diamond-coated tip for long-lasting performance. - 【1 Inch Core Bits】 The drill bits have a diameter of 1 inch (25mm), making them suitable for drilling holes in concrete, cured concrete, hard masonry, brick block, solid cement, stucco, and stone. With a drilling depth of 14 inches, they can reach deep into the material for various applications. - 【Compatible with】 For use with 1-1/4" - 7 spindle handheld core drills or core drill rigs with stand; use on rotary mode only. - 【Reliable and Long-lasting】 The 1" core bits are made of high-quality materials and have a long lifespan. 1" core bits feature uniform distribution and large diamond for fast-speed. - 【Versatile Applications】 These 1 inch concrete core drill bits are perfect for a wide range of projects, including installing electrical boxes, water pipes, HVAC systems, and more. They can be used in both indoor and outdoor environments. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CQVJSLF7 | | Best Sellers Rank | 796,256 in DIY & Tools ( See Top 100 in DIY & Tools ) 428 in Core Drill Bits | | Brand | DaduoRi | | Customer Reviews | 4.4 4.4 out of 5 stars (85) | | Cutting Diameter | 1 Inches | | Finish Types | Diamond | | Included Components | Diamond Core Bit | | Manufacturer | DaduoRi Diamond Tool | | Manufacturer Part Number | DaduoRi -DEEP CORE BIT-1 INCH | | Material | Cobalt | | Minimum Bore Diameter | 1 Inches | | Model Number | 4DBCS-04 | | Number of Packs | 1 | | Number of Pieces | 1 | | Point Style | Diamond Point | | Shank Type | Hex | | Surface Recommendation | Brick, Concrete | | Tool Flute Type | Straight | | Unit Count | 1.0 count | ## Product Details - **Brand:** DaduoRi - **Cutting diameter:** 1 Inches - **Finish type:** Diamond - **Material:** Cobalt - **Shank type:** Hex ## Images ![1 Inch Wet Core Drill Bit, 1" Core Bits for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm) - Image 1](https://m.media-amazon.com/images/I/318FTvhqaOL.jpg) ![1 Inch Wet Core Drill Bit, 1" Core Bits for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm) - Image 2](https://m.media-amazon.com/images/I/41UO+3ARppL.jpg) ![1 Inch Wet Core Drill Bit, 1" Core Bits for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm) - Image 3](https://m.media-amazon.com/images/I/51fdTmRXNbL.jpg) ![1 Inch Wet Core Drill Bit, 1" Core Bits for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm) - Image 4](https://m.media-amazon.com/images/I/51OfhFT3j5L.jpg) ![1 Inch Wet Core Drill Bit, 1" Core Bits for Concrete, 14" Drilling Depth, 1-1/4"-7 Thread Diamond Core Drill for Cured Concrete, Hard Masonry, Brick Block, Solid Cement, Stucco, Stone (25mm) - Image 5](https://m.media-amazon.com/images/I/51uHHSkBYjL.jpg) ## Available Options This product comes in different **Size** 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.ec/products/780856698-1-inch-wet-core-drill-bit-1-core-bits-concrete](https://www.desertcart.ec/products/780856698-1-inch-wet-core-drill-bit-1-core-bits-concrete) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-09-17*