--- product_id: 465469100 title: "20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B)" brand: "dewalt" price: "₩250866" currency: KRW in_stock: true reviews_count: 9 category: "Dewalt" url: https://www.desertcart.kr/products/465469100-20v-max-1-4-in-brushless-cordless-impact-driver-tool store_origin: KR region: South Korea --- # 1700 in-lb torque 3-LED work light 3200 RPM speed 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) **Brand:** dewalt **Price:** ₩250866 **Availability:** ✅ In Stock ## Summary > 🔧 Power Meets Precision in Your Hands! ## Quick Answers - **What is this?** 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) by dewalt - **How much does it cost?** ₩250866 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/465469100-20v-max-1-4-in-brushless-cordless-impact-driver-tool) ## Best For - dewalt enthusiasts ## Why This Product - Trusted dewalt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unleash Power:** Experience 1,700 in-lb of torque for heavy-duty tasks. - • **Pro-Level Control:** Variable speed trigger for ultimate precision. - • **Compact & Ergonomic:** Designed for easy maneuverability in tight spaces. - • **Illuminate Your Work:** Integrated 3-LED light brightens dark areas. - • **Speed Meets Precision:** Achieve up to 3,200 RPM for rapid driving. ## Overview The DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) is engineered for high performance with a brushless motor delivering 1,700 in-lb of torque and a maximum speed of 3,200 RPM. Its compact design ensures easy access to tight spots, while the integrated 3-LED work light enhances visibility in low-light conditions. Perfect for professionals seeking efficiency and control, this tool is a must-have for any serious project. ## Description Drive screws and other fasteners with this high-output 20V MAX* 1/4 in. Brushless Cordless Impact Driver that was engineered to be lightweight for ease of use without sacrificing performance. The brushless motor delivers up to 1,700 in-lb of torque and up to 3,200 rpm for driving large-diameter screws. The compact design provides optimized maneuverability and access to confined areas when performing cabinetry and framing jobs. Maintain productivity in low-light spots with a 3-LED on-board work light that illuminates dimly lit workspaces. Review: Excellent tool and priced right 👍 - I like DeWalt cordless tools. Batteries are easy to get and after market ones are very affordable. This tool is compact and powerful. I'm replacing an older 18 volt that still works just wanted to replace it before it gives out. Review: VERY GOOD BUY - Very good product very fast delivery good money value I recomend this seller++A ## Features - HIGH-PERFORMANCE BRUSHLESS MOTOR delivers 1,700 in-lb of torque and 3,200 rpm to drive large-diameter screws - MANEUVER WITH EASE: Compact design for optimized ergonomics and access to difficult-to-reach spots - PRO-LEVEL CONTROL and precision with variable speed trigger - BRIGHTEN DARK WORK AREAS: Integrated 3-LED work light enhances visibility in low-light spaces ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | DEWALT | | Power Source | Battery Powered | | Maximum Rotational Speed | 3.2E+3 RPM | | Voltage | 20 | | Amperage | 4 Amps | | Maximum Chuck Size | 0.25 Inches | | Color | Yellow | | Included Components | Tool,Belt Hook | | Special Feature | Variable Speed | | Product Dimensions | 4.8"L x 4"W x 9"H | | Material | Metal | | Maximum Torque | 1700 Inch Pounds | | Speed | 3200 RPM | | Item Weight | 0.01 Ounces | | Maximum Power | 300 Watts | | Item Torque | 1.7E+3 Inch Pounds | | Drill Type | Impact Driver | | Is Electric | No | | UPC | 885911725927 | | Drilling Capacity Wood | 0.25 Inches | | Manufacturer | DEWALT | | Drilling Capacity Metal | 0.24 Inches | | Part Number | DCF840B | | Item Weight | 0.01 ounces | | Item model number | DCF850B | | Item Package Quantity | 1 | | Special Features | Variable Speed | | Batteries Included? | No | | Batteries Required? | Yes | | Battery Cell Type | Lithium Ion | | Warranty Description | 3 year limited warranty/1 year free service contract/90 day money back guarantee | ## Product Details - **Brand:** DEWALT - **Power Source:** Battery Powered - **Maximum Rotational Speed:** 3.2E+3 RPM - **Voltage:** 20 - **Amperage:** 4 Amps ## Images ![20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) - Image 1](https://m.media-amazon.com/images/I/51Y+ArvxxgL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent tool and priced right 👍 *by E***D on February 15, 2026* I like DeWalt cordless tools. Batteries are easy to get and after market ones are very affordable. This tool is compact and powerful. I'm replacing an older 18 volt that still works just wanted to replace it before it gives out. ### ⭐⭐⭐⭐⭐ VERY GOOD BUY *by R***R on January 27, 2026* Very good product very fast delivery good money value I recomend this seller++A ### ⭐⭐⭐⭐⭐ Buffalobk *by B***L on February 5, 2026* Freaky is expensive but the quality is nearly perfect ## Frequently Bought Together - DEWALT 20V MAX* 1/4 in. Brushless Cordless Impact Driver (Tool Only) (DCF840B) - DEWALT Screwdriver Bit Set, Impact Ready, FlexTorq, 40-Piece (DWA2T40IR) - DEWALT ATOMIC 20V MAX* Impact Driver, Cordless, Compact, 1/4-Inch, Tool Only (DCF809B) --- ## 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/465469100-20v-max-1-4-in-brushless-cordless-impact-driver-tool](https://www.desertcart.kr/products/465469100-20v-max-1-4-in-brushless-cordless-impact-driver-tool) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-05-28*