You can find products that match you with a quick search ♪ Replacement page for other companies.
We have renewed the introduction of products for replacing other companies' products with Keylex on the Nagasawa Manufacturing website! In addition to the "Replacement of Other Companies' Products" on the Keylex product lineup page, we have newly established sections for "Complete Replacement" and "Partial Replacement," making it easier to access! It is organized as a flowchart, so by selecting the front plate engraving of the other company’s product you are using or the Keylex series, you can find the desired product. You can also easily check the installation image, part number, and necessary replacement parts! 〇 Complete Replacement All currently used products from other companies will be removed, and replacement parts (front plate set, receiver, decorative plate) will be combined to replace them with various Keylex models. 〇 Partial Replacement The lock from the currently used product from another company will be utilized to replace it with Keylex. The replacement method may vary depending on the compatible products. ▽ Here is the Keylex homepage ▽
Inquire About This Product
basic information
We offer a variety of options tailored to your needs for exchanging from your current product from another company. 〇 Complete Replacement Everything will be completely replaced with Keylex. 〇 Partial Replacement We will replace your current lock with Keylex while utilizing the existing lock.
Price range
Delivery Time
Applications/Examples of results
○ Stores, apartments, private residences (entrances of private residences, entrances of each apartment unit, etc.) ○ Tenant buildings, one-room apartments (entrances of each unit in buildings and apartments, etc.) ○ Government offices, companies, offices (executive rooms, conference rooms, computer rooms, employee dormitories, etc.) ○ Banks (employee entrances, computer rooms, data management rooms, etc.) ○ Hospitals, research institutes (drug management, radiation rooms, laboratory research rooms, etc.) ○ General contractors, house manufacturers (site offices, entrances and exits of buildings under construction, etc.)
catalog（3）
Download All Catalogs
Company information
Nagasawa Manufacturing Co., Ltd. is a manufacturer of keyless button locks "Keylex" and architectural hardware such as indoor lever handles. Since its founding in 1916, the company has consistently focused on domestic production, handling everything from planning, design, development, manufacturing, sales, to maintenance in-house. In design and development, we have brought about numerous revolutions in the architectural hardware industry, starting with our flagship product, the keyless button lock "Keylex." In manufacturing, we have established unique technologies and know-how by conducting zinc die casting, surface treatment through plating and painting, and assembly of precision parts all within our own factory, boasting industry-leading quality. Everything is for our customers... We constantly think about what our customers need and what will bring them joy, and we bring those ideas to life. We will continue to provide reliable quality and ensure our customers' peace of mind and safety, so that more users can realize their ideal lifestyle.
![Master Management with Keylex [Feature Introduction]](https://image.www.ipros.com/public/product/image/71e/2000641628/IPROS96540311027719359732.jpeg?w=280&h=280)
![Improvement in both cost and quality [Changing from cutting & sand casting to digital casting]](https://image.www.ipros.com/public/product/image/3127/IPROS13102335677443795189.png?w=280&h=280)
