--- product_id: 11058761 title: "CORE Drill Model 4Z1 2-Speed Concrete CORING Drill by BLUEROCK Tools" brand: "bluerock" price: "3265.82 DT" currency: TND in_stock: true reviews_count: 7 category: "Bluerock" url: https://www.desertcart.tn/products/11058761-core-drill-model-4z1-2-speed-concrete-coring-drill-by store_origin: TN region: Tunisia --- # wet drilling with metal hose fittings integrated vertical & horizontal bubble levels 2-speed motor (2100/950 rpm) CORE Drill Model 4Z1 2-Speed Concrete CORING Drill by BLUEROCK Tools **Brand:** bluerock **Price:** 3265.82 DT **Availability:** ✅ In Stock ## Summary > ⚡ Drill smarter, not harder — own the job site with BLUEROCK power! ## Quick Answers - **What is this?** CORE Drill Model 4Z1 2-Speed Concrete CORING Drill by BLUEROCK Tools by bluerock - **How much does it cost?** 3265.82 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/11058761-core-drill-model-4z1-2-speed-concrete-coring-drill-by) ## Best For - bluerock enthusiasts ## Why This Product - Trusted bluerock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Perfect:** Built-in vertical and horizontal fluid levels guarantee spot-on core holes every time. - • **Ergonomic & Portable:** Handheld design with removable shoulder rest for comfort on the toughest jobs. - • **Pro-Grade Durability:** Handles reinforced concrete, rebar, brick, and stone like a champ—industrial strength in your hands. - • **Wet Drilling Mastery:** Enhanced water hose with metal fittings keeps your drill cool and dust-free for longer life. - • **Dual-Speed Powerhouse:** Switch between 2100 and 950 rpm for precision or brute force drilling. ## Overview The BLUEROCK CORE Drill Model 4Z1 is a professional-grade, handheld concrete coring drill featuring a robust 110V dual-speed motor (2100/950 rpm) for versatile drilling. It supports wet drilling with an upgraded water hose assembly, ensuring cooler operation and longer tool life. Integrated vertical and horizontal bubble levels provide unmatched drilling accuracy. Designed for heavy-duty use on concrete, asphalt, rebar, brick, and stone, this 22-pound powerhouse combines ergonomic portability with industrial durability, making it a top choice for professionals seeking precision and efficiency. ## Description CORE Drill Model 4Z1 2-Speed Concrete CORING Drill by BLUEROCK Tools: Power Core Drills: desertcart.com: Tools & Home Improvement Review: A Truly Fine Tool At An Extraordinary Price - Tighten The Hose Screws Before You Start! - In the process of building our retirement home we have made so many purchases that I have not had time to write reviews for every item we've acquired. This coring drill is such an exceptional machine that I had to take a few minutes to share a few thoughts. First, we purchased this drill as a one time use machine. Since its cost and the cost of the bit were less than the cost of renting a machine and bit, we purchased rather than rented. For the price, I expected something that would do the job and then be somewhat worn out. How pleasantly surprised we were to receive a smooth, quiet, and powerful machine that performed really well. With little more than moderate pressure and a little patience, (10 minutes or so each), we had three 3 inch holes in 6" cured, fiber reinforced concrete with imbedded rebar. I have to think this drill would make the cut for industrial use. One niggling little thing - as others have reported, we too got a shower from the water hose. While the knob for the side grip handle had to have been tightened by King Kong, the screws holding the hose to its fittings were little more than hand tightened. We'll take half the blame for the shower because we had fair warning, but the people on the assembly line should really pay closer attention to this detail. It would take so little effort to avoid creating an unnecessary and annoying distraction from what is otherwise a really fine package. We took less than a minute to tighten the screws and all was well. We'd buy this drill again. Review: You won't be disappointed! - The CORE DRILL Model 4Z1 2-Speed Concrete Coring Drill is a powerful and reliable tool, ideal for heavy-duty concrete drilling. Its 2-speed motor offers great versatility, providing high torque for large diameter holes and fast performance for smaller ones. The ergonomic design and water-cooling system ensure smooth operation, while the safety clutch adds an extra layer of protection. Though slightly bulky, its performance and durability make it perfect for professional use. Overall, the 4Z1 is a top-notch drill for those seeking precision and efficiency in tough concrete jobs. ## Features - BLUEROCK Model 4Z1 Handheld Core Drill for Concrete, Asphalt, Cement, Rebar reinforcement, Brick and Stone - 110V Motor & Dual Speed: 2100rpm/950rpm - Portable Handheld Unit (Can be used in optional stand, not included) - New improved water hose assembly with metal fittings and hardware for "wet" drilling - Removable shoulder rest stock, locking trigger on/off switch, carrying case, extra brushes, operation manual included - Integrated Vertical and Horizontal drilling fluid bubble levels for precise drilling - Industry Standard 1-1/4" Threaded spindle end fits Bluerock brand wet type diamond core bits - DRILL BIT PICTURED IS NOT INCLUDED ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001024SNC | | Best Sellers Rank | #169,608 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Power Core Drills | | Date First Available | July 8, 2014 | | Is Discontinued By Manufacturer | No | | Item Weight | 22 pounds | | Item model number | 1127W737984 | | Manufacturer | BLUEROCK TOOLS | | Package Dimensions | 19.5 x 15.3 x 6 inches | ## Product Details - **Brand:** BLUEROCK - **Power Source:** Corded Electric - **Maximum Rotational Speed:** 2100 RPM - **Voltage:** 110 Volts - **Amperage:** 13 Amps ## Images ![CORE Drill Model 4Z1 2-Speed Concrete CORING Drill by BLUEROCK Tools - Image 1](https://m.media-amazon.com/images/I/61UzMDhXXmL.jpg) ## Questions & Answers **Q: Does this price include the core bit shown?** A: It does NOT include the bit shown. You can get a 2.5" - 3" bit for $50 -$80 on Amazon... Hell of a drill and a great bargain. I have owned three SDT 85's prior to this because the STD 85's water feed is a major flaw. Had this one for month's and drilled hundreds of holes... still works perfect. Worth every penny. **Q: I bought this with 3" and 4" core bits, but there is no pilot bit. Can you refer me to the appropriate pilot bit.** A: I have used this drill with up to a 4 1/2" bit. I do not use a pilot bit for drilling on flat surfaces. I drill mainly into masonry and concrete to anchor newel post for railing and fencing. This method would not be advisable for counter tops I think...We use a ply wood or composite lumber strip two or more inches wider than the hole and drill the appropriately sized hole with a hole-saw in it, centering the hole over my mark I use that to get the drill started. Once it is 3/16" or more into the material you can remove the guide if you want. It works well for us. **Q: What's up with the water connection? I read it needs to be replaced or something. I would need to be able to hook up a garden hose to this** A: It connects to a standard garden hose, however every connection on mine was loose and had to be tightened in order to stop it from leaking **Q: I am new with core drill. is there anything else i need to buy if i just need to drill a 4 inches hole? thanks!** A: You will need a 4" core drill bit if thats the hole size you need. It will screw onto your drill and you are ready to go except for water and power. Good luck. ## Customer Reviews ### ⭐⭐⭐⭐⭐ A Truly Fine Tool At An Extraordinary Price - Tighten The Hose Screws Before You Start! *by J***B on September 8, 2017* In the process of building our retirement home we have made so many purchases that I have not had time to write reviews for every item we've acquired. This coring drill is such an exceptional machine that I had to take a few minutes to share a few thoughts. First, we purchased this drill as a one time use machine. Since its cost and the cost of the bit were less than the cost of renting a machine and bit, we purchased rather than rented. For the price, I expected something that would do the job and then be somewhat worn out. How pleasantly surprised we were to receive a smooth, quiet, and powerful machine that performed really well. With little more than moderate pressure and a little patience, (10 minutes or so each), we had three 3 inch holes in 6" cured, fiber reinforced concrete with imbedded rebar. I have to think this drill would make the cut for industrial use. One niggling little thing - as others have reported, we too got a shower from the water hose. While the knob for the side grip handle had to have been tightened by King Kong, the screws holding the hose to its fittings were little more than hand tightened. We'll take half the blame for the shower because we had fair warning, but the people on the assembly line should really pay closer attention to this detail. It would take so little effort to avoid creating an unnecessary and annoying distraction from what is otherwise a really fine package. We took less than a minute to tighten the screws and all was well. We'd buy this drill again. ### ⭐⭐⭐⭐⭐ You won't be disappointed! *by K***J on September 29, 2024* The CORE DRILL Model 4Z1 2-Speed Concrete Coring Drill is a powerful and reliable tool, ideal for heavy-duty concrete drilling. Its 2-speed motor offers great versatility, providing high torque for large diameter holes and fast performance for smaller ones. The ergonomic design and water-cooling system ensure smooth operation, while the safety clutch adds an extra layer of protection. Though slightly bulky, its performance and durability make it perfect for professional use. Overall, the 4Z1 is a top-notch drill for those seeking precision and efficiency in tough concrete jobs. ### ⭐⭐⭐⭐⭐ great deal. *by S***N on August 11, 2016* I thought about renting a drill and I am so glad I did not because first of all this drill was almost the same price as renting one, second of all, after I drilled two 2.5" holes 7 inches thick horizontally I am really glad I did not rent one because I would have had to rent it twice as long as I thought it would take. This drill does not cut slow compared to others but when you only cut holes every few years it takes longer than you think. I was tired after the first hole and after the second hole I had to wait a couple days before I felt like drilling the other small ones so just after a few holes this drill has paid for itself and now I own it. I caught a long bit on it a couple times and I was worried that the delay in the clutch would catch me off guard but six inches deep and bound up did not twist my arms or wrists like I thought it would. I am 5' 10" tall at a stout and strong 175 and I could handle the catch in this drill pretty good. I have not hit any re-bar and I have been told that that is what causes the most damage but I did bind this drill up pretty good and once I even bound it up by trying to untie the kinked water line with my left hand as my right hand took the entire force of the bit catching (didn't twist my right hand like I thought it would and was a long ways away from breaking my hand or wrist) I almost gave this 4 stars because the crappy plastic water connection that comes with this drill has to be replaced first thing with a brass one that won't leak. I had one on hand and if you don't care about water leaking then this drill is a great deal. If you do care about too much water in places you don't want then be prepared and buy a garden hose adapter made out of brass and replace the one this drill comes with before you start drilling . all in all 5 stars. ## Frequently Bought Together - CORE DRILL Model 4Z1 2-SPEED CONCRETE CORING DRILL by BLUEROCK TOOLS - 2" Inch Diamond Wet Core Drill Bit 1-1/4” Threaded by BLUEROCK Tools for Concrete Rebar Asphalt Brick Rock Masonry Hole Barrel Coring - 3" Inch Diamond Wet Core Drill Bit 1-1/4” Threaded by BLUEROCK Tools for Concrete Rebar Asphalt Brick Rock Masonry Hole Barrel Coring --- ## 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.tn/products/11058761-core-drill-model-4z1-2-speed-concrete-coring-drill-by](https://www.desertcart.tn/products/11058761-core-drill-model-4z1-2-speed-concrete-coring-drill-by) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-06*