--- product_id: 375137751 title: "EDiamondTools Dry Core Bit for Brick and Concrete Block with Pilot Bit - 4\" Diameter - 1/2\" Shank Arbor - #30/40 Diamond" brand: "ediamondtools" price: "R$1736" currency: BRL in_stock: false url: https://www.desertcart.com.br/products/375137751-ediamondtools-dry-core-bit-for-brick-and-concrete-block-pilot store_origin: BR region: Brazil --- # High #30/40 diamond grit for ultimate durability 4" diameter optimized for soft brick & block 9.5" drilling depth for deep, precise cores EDiamondTools Dry Core Bit for Brick and Concrete Block with Pilot Bit - 4" Diameter - 1/2" Shank Arbor - #30/40 Diamond **Brand:** ediamondtools **Price:** R$1736 **Availability:** ❌ Out of Stock ## Summary > 💎 Drill smarter, last longer — core like a pro with EDiamondTools! ## Quick Answers - **What is this?** EDiamondTools Dry Core Bit for Brick and Concrete Block with Pilot Bit - 4" Diameter - 1/2" Shank Arbor - #30/40 Diamond by ediamondtools - **How much does it cost?** R$1736 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/375137751-ediamondtools-dry-core-bit-for-brick-and-concrete-block-pilot) ## Best For - ediamondtools enthusiasts ## Why This Product - Trusted ediamondtools brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Deep Core Capability:** 9.5" drilling depth lets you tackle thick masonry with confidence and speed. - • **Heavy-Duty 4" Diameter:** Perfectly sized for soft brick and concrete blocks, delivering clean, professional-grade cores every time. - • **Versatile Dry & Wet Use:** Engineered for both dry and wet drilling with handheld or rig-mounted core drills in rotary mode only. - • **Diamond-Infused Longevity:** Embedded #30/40 grit diamond concentration ensures extended core bit life and peak drilling efficiency. - • **Precision Pilot Bit Adapter:** Includes a 1/2" shank pilot bit adapter for flawless alignment and reduced wobble. ## Overview The EDiamondTools 4" Dry Core Bit features a high concentration #30/40 diamond grit for superior durability and efficient drilling in soft brick and concrete blocks. Equipped with a 1/2" shank pilot bit adapter and designed for rotary mode use, it offers a 9.5" drilling depth suitable for handheld or rig-mounted core drills. This heavy-duty bit ensures precise, long-lasting performance for professional-grade masonry work. ## Description Dry diamond core bits with #30/40 grit high diamond concentration guarantees longer coring life and efficient drilling. Designed for drilling soft brick or building block. 10mm segment height and 9.5" drilling depth with 5/8"-11 threaded arbor. 1/2" chuck pilot bit adapter included. Use wet or dry with handheld core drills or dedicated core drill rigs in rotary mode only. ## Features - MULTIPURPOSE - designed to drill soft brick and building block - PILOT BIT ADAPTER - includes 1/2" shank pilot bit adapter - HEAVY DUTY - embedded diamond concentration guarantees longer core life and efficient drilling - GRIT SIZE - #30/40 grit size - DRILLING DEPTH - 9.5" drilling depth - WET OR DRY - recommended to use with handheld core drills or dedicated core drill rigs (rotary mode only) - ROTARY MODE ONLY - please only use rotary mode with our core bits ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | EDiamondTools | | Part number | DBP0400A5ADJ14 | | Item Weight | 2.18 Kilograms | | Product Dimensions | 29.49 x 10.49 x 10.49 cm; 2.18 kg | | Item model number | DBP0400A5ADJ14 | | Size | 4" | | Color | Blue | | Style | 9.5" Drill Depth - Dry | | Finish | Diamond | | Material | Diamond | | Item Package Quantity | 1 | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Material:** Diamond - **Cutting diameter:** 10 Millimeters - **Finish type:** Diamond - **Shank type:** Threaded - **Cutting angle string:** 118 Degrees ## Images ![EDiamondTools Dry Core Bit for Brick and Concrete Block with Pilot Bit - 4" Diameter - 1/2" Shank Arbor - #30/40 Diamond - Image 1](https://m.media-amazon.com/images/I/51UyxWNjloL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: Will this work with a cordless impact drill? (DeWalt)** A: Depending on the size of core bit , I used a 4 1/2 core bit , and I don't think you would have enough power . And you may over heat the drill , and go threw a lot of batteries. **Q: Will this cut through stucco? i think it's 1/2 to 3/4 inches thick. based on info i see on the questions, it appears that it will.** A: It sure will I cut through 17 1/2 inches of cement and rebar, no problem just took time!! **Q: What size is the set screw that holds drill bit in arbor?** A: 3/16” Allen wrench **Q: What is your return policy if not used** A: Amazon return policy ## Frequently Bought Together - 4" Dry Diamond Core Drill Bits for Brick and Block with 1/2" Shank Pilot Bit Adapter, 9.5" Drilling Depth, 5/8"-11 Arbor - SHDIATOOL Core Drill Bit Adapter 5/8 inch-11 Thread Male to SDS Plus Shank for SDS Plus Drills - Toolocity cbadptr_0038 Adapter For Core Bits-5/8"-11 To 3/8" Triangle Shank, Black --- ## 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.com.br/products/375137751-ediamondtools-dry-core-bit-for-brick-and-concrete-block-pilot](https://www.desertcart.com.br/products/375137751-ediamondtools-dry-core-bit-for-brick-and-concrete-block-pilot) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-06-10*