--- product_id: 331072741 title: "Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver" brand: "master lock" price: "$37.42" currency: USD in_stock: true reviews_count: 6 category: "Master Lock" url: https://www.desertcart.us/products/331072741-master-lock-m40xkadccsen-m40xkad-discus-lock-keyed-alike-silver store_origin: US region: United States of America --- # 50% harder boron-carbide shackle 3/8 in. thick, shrouded shackle 4-pin cylinder pick resistance Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver **Brand:** master lock **Price:** $37.42 **Availability:** ✅ In Stock ## Summary > 🔐 Lock in your peace of mind with Master Lock’s next-level security! ## Quick Answers - **What is this?** Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver by master lock - **How much does it cost?** $37.42 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/331072741-master-lock-m40xkadccsen-m40xkad-discus-lock-keyed-alike-silver) ## Best For - master lock enthusiasts ## Why This Product - Trusted master lock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready to Secure:** Includes two keys for immediate use—no waiting, no hassle. - • **Unmatched Toughness:** Tough-Cut octagonal boron-carbide shackle resists bolt cutters and drills for ultimate security. - • **Pick-Proof Precision:** Four-pin cylinder design maximizes resistance against lock picking attempts. - • **Perfect Fit Guarantee:** Compact 2-3/4 in. wide body fits a variety of doors and storage units seamlessly. - • **Scratch-Resistant Armor:** Reinforced body bumper protects the lock from everyday wear and tear. ## Overview The Master Lock M40XKAD Discus Lock features a 50% harder Tough-Cut octagonal boron-carbide shackle and a four-pin cylinder for maximum pick resistance. Its shrouded design minimizes shackle exposure, protecting against bolt cutter attacks, while the reinforced body bumper guards against scratches. Compact and durable, this silver alloy steel lock is ideal for securing storage units, garages, sheds, trailers, and moving trucks. Comes keyed alike with two keys included for immediate, hassle-free security. ## Description The Master Lock Magnum M40XKAD Discus Padlock features a 2-3/4 in. (70 mm) wide stainless steel body for maximum strength, reliability and corrosion resistance. The fully shrouded design minimizes shackle exposure and protects against bolt cutter attacks. The 3/8 in. (10 mm) diameter octagonal shackle is 5/8 in. (16 mm) long and made of Tough-Cut boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The covered keyway offers maximum weather protection, and reinforced body bumper protects against scratches.. Review: Great as published - Great as published Review: Great locks well made ## Features - Indoor and outdoor padlock with key; maximum security lock with Tough-Cut octagonal boron-carbide shackle is best used as a storage unit lock, garage lock, shed lock, trailer lock, and moving truck lock.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. - Key lock is constructed with Tough-Cut octagonal boron-carbide shackle which is 50% harder than hardened steel; shrouded design minimizes shackle exposure and protects against bolt cutter attacks - Four-pin cylinder for maximum pick resistance; reinforced body bumper for scratch resistance - 2-3/4 in. (70 mm) wide lock body; 3/8 in. (10 mm) diameter shackle with 5/8 in. (16 mm) length, 1-1/32 in. (28 mm) width - Includes one padlock, two keys ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000WEMGH4 | | ASIN | B000WEMGH4 | | Additional Features | Anti-Drill | | Best Sellers Rank | #168,859 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #416 in Keyed Padlocks | | Brand Name | Master Lock | | Color | Silver | | Control Method | Touch | | Controller Type | Hand Control | | Customer Reviews | 4.5 4.5 out of 5 stars (3,808) | | Customer reviews | 4.5 4.5 out of 5 stars (3,808) | | Date First Available | 7 August 2012 | | Finish Types | Unfinished | | Global Trade Identification Number | 00071649236303 | | Included Components | padlock, two keys | | Is Discontinued By Manufacturer | No | | Item Dimensions | 30 x 70 x 70 millimeters | | Item Type Name | Discus Lock | | Item Weight | 91 g | | Item model number | M40XKADCCSEN | | Lock Type | Pin Tumbler | | Manufacturer | Master Lock | | Manufacturer | Master Lock | | Material Type | Alloy Steel | | Model Number | M40XKADCCSEN | | Product Dimensions | 3.02 x 6.99 x 6.99 cm; 90.72 g | | Recommended Uses For Product | Security | | Shape | Round | | Style Name | 1-Pack | | UPC | 071649236303 | | Unit Count | 1 Count | ## Product Details - **Brand:** Master Lock - **Item dimensions L x W x H:** 30 x 70 x 70 millimeters - **Lock type:** Pin Tumbler - **Material:** Alloy Steel - **Special features:** Anti-Drill ## Images ![Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver - Image 1](https://m.media-amazon.com/images/I/51T7rT+yezL.jpg) ![Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver - Image 2](https://m.media-amazon.com/images/I/71KW6CjI86L.jpg) ![Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver - Image 3](https://m.media-amazon.com/images/I/61ksFvhQo0L.jpg) ![Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver - Image 4](https://m.media-amazon.com/images/I/718zgap9n3L.jpg) ![Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver - Image 5](https://m.media-amazon.com/images/I/611NwNFdCXL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great as published *by A***. on 27 March 2025* Great as published ### ⭐⭐⭐⭐⭐ Review *by M***S on 14 September 2023* Great locks well made ### ⭐⭐⭐⭐⭐ Review *by T***F on 30 November 2025* Used for Penske truck cross country move. This did the job just great. Had no issues, easy to close and open with key. VERY hefty for my needs and affordable with great quality. ## Frequently Bought Together - Master Lock M40XKADCCSEN M40XKAD Discus Lock, Keyed Alike, Silver - Master Lock 1-7/8 in. H x 1-3/16 in. W x 1-3/4 in. L Vinyl Covered Dual Ball Bearing Locking Padlock - BRINKS - Heavy Duty Padlock with Key – 70mm Stainless Steel Commercial Discus Keyed Lock for Storage Shed, Garage, Locker, Sliding Doors, Cabinets and More – Round with Steel Shackle, 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.us/products/331072741-master-lock-m40xkadccsen-m40xkad-discus-lock-keyed-alike-silver](https://www.desertcart.us/products/331072741-master-lock-m40xkadccsen-m40xkad-discus-lock-keyed-alike-silver) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-16*