code padlock|TSA Approved Luggage Locks for Secure Travel & Gym Use

Code padlock is a portable, keyless security device that uses a numeric keypad (instead of a traditional key or rotating dial) to control access, making it ideal for securing lockers, gym bags, storage cabinets, gates, toolboxes, or temporary enclosures. Produced by Shanghai Kuntu Industrial Co., Ltd.—a BSCI-certified manufacturer with over 20 years of experience in designing keypad-based security solutions—this padlock combines the portability of a traditional padlock with the convenience of keyless access, eliminating the risk of lost keys and allowing for easy combination changes. It caters to a wide range of global users, including gyms, schools, universities, warehouses, construction sites, and residential users who value simplicity and security. Real-world applications showcase its versatility across different settings. In a large gym chain with locations across California, USA, Kuntu’s code padlocks are used on over 5,000 member lockers. Each locker is assigned a unique 4-digit code, which members can set themselves when they rent the locker—eliminating the need for the gym to manage and distribute physical keys. The keypad is backlit, making it easy to use in the gym’s dimly lit locker rooms, and the padlock’s zinc alloy body is resistant to scratches and dents from daily use. Gym managers appreciate the “lockout” feature: if a member enters the wrong code 3 times, the keypad disables for 2 minutes, preventing brute-force attempts. After 6 months of heavy use, the padlocks show minimal wear, and the batteries (two AAA) last an average of 4 months—with a low-battery LED alerting members before power runs out. At a public school in São Paulo, Brazil, Kuntu’s code padlocks secure student lockers in hallways and gyms. The school administers 4-digit codes to students at the start of the school year, and codes can be reset quickly if a student forgets theirs or if the lock is transferred to a new user. The padlock’s shackle is 6mm thick (hardened steel) to resist tampering, a concern in busy school environments, and the keypad is made of durable silicone that can withstand frequent pressing by young users. Teachers note that the padlocks have reduced locker-related issues (like lost keys or jammed locks) by 70%, saving administrative time. In a logistics warehouse in Shanghai, China, Kuntu’s heavy-duty code padlocks secure shipping containers and tool storage boxes. The padlocks feature a 6-digit combination (offering 1 million possible combinations) for maximum security, and the body is made of stainless steel to resist corrosion from the warehouse’s humid environment. The keypad is waterproof (IP64-rated), ensuring it functions even if exposed to water from cleaning or leaking pipes. Warehouse staff can change the combination whenever a container is assigned to a new team, and the padlock’s large, easy-to-read numbers make it simple to operate while wearing work gloves. Kuntu’s code padlock is designed with user experience and durability at the forefront. The lock body is available in two materials: zinc alloy (for lightweight, everyday use like gym lockers) and stainless steel (for heavy-duty applications like warehouses or outdoor gates). The keypad uses silicone buttons that are soft to the touch yet resistant to wear and tear—even after 10,000+ presses. Two combination length options are available: 4-digit (for residential/gym use) and 6-digit (for commercial/high-security use), both of which can be reset in seconds by following simple on-lock instructions. The shackle is made of hardened steel, with thicknesses ranging from 5mm (lightweight) to 8mm (heavy-duty), and is available in two lengths (25mm or 30mm) to fit different hasp sizes. Digital features include a backlit keypad (for low-light use), low-battery LED indicator, and lockout function (to prevent tampering). All models meet international security standards, including ANSI/BHMA A156.30 (for padlock durability) and EN 1300 (for general lock performance), ensuring they withstand daily use in high-traffic environments. For clients with custom needs—such as padlocks with integrated RFID (for access control systems), branded keypads, or longer battery life (via lithium batteries)—Kuntu’s R&D team can develop tailored solutions, supported by the foreign trade team’s expertise in global shipping and compliance. As pricing depends on the lock material, shackle thickness, and features (e.g., backlit keypad), please contact our foreign trade team for a detailed quote and product samples to test with your specific use case.