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Stainless Steel Door Lock is a professional door hardware solution for commercial buildings, residential projects, and fire-rated door applications. It features a heavy gauge stainless steel lockcase and SUS304 stainless steel components, providing excellent corrosion resistance and installation compatibility. The lock supports key operation from outside and thumb turn operation from inside, complies with ANSI/BHMA A156.13-2005 Grade 1 standards, and is UL Fire Rated certified for wood doors, metal doors, and fire-rated doors.
| Product Model | DDAL17 F17 |
| Certification andCompliance | ANSI/BHMA A156.13-2005 Grade 1, UL Fire Rated Certificated |
| Finish | SSS, PSS, PVD, PB, AB, AC, MB |
| Lockcase | Heavy Gauge Stainless Steel for Corrosion Resistance |
| Deadbolt | Solid Casting SUS304, Project 1"(25.4mm) |
| Latchbolt | Solid Casting SUS304, Project 3/4"(19mm), Anti-Friction Two Pieces and Can be Reversible |
| Auxiliary Latchbolt | Stainless steel |
| Forend | Stainless steel Grade 304 |
| Strike | Stainless steel Grade 304, Non-Handed |
| Door Thickness | 45mm to 55mm As Standard |
| Backset | 2-3/4”(70mm) |
| Center to Center | 3-5/8”(92mm) |
| Door Handing | Left Hand and Right Hand |
| Application | Wood Door ,Metal Door ,Fire Rated Door etc. |
1. SUS304 Lock Components
Stainless Steel Door Lock features a solid casting SUS304 deadbolt with a 1"(25.4mm) projection length, combined with a heavy gauge stainless steel lockcase for stable locking performance. The latchbolt also adopts solid casting SUS304 material with a 3/4"(19mm) projection. Its anti-friction two-piece design supports reversible adjustment for different installation requirements.
2. Grade 1 Certification
This Stainless Steel Door Lock complies with ANSI/BHMA A156.13-2005 Grade 1 standards and is UL Fire Rated certified, making it suitable for commercial buildings, fire-rated doors, and public facilities. The product includes stainless steel Grade 304 forend and strike components with a non-handed strike design for convenient installation and professional project applications.
3. Dual Operation Design
Stainless Steel Door Lock supports key operation from outside and thumb turn operation from inside, providing convenient access control for different environments. The product supports left-hand and right-hand door handing options, making it suitable for various door installation conditions. The standardized design is ideal for bulk purchasing by contractors and hardware suppliers.
4. Flexible Installation Sizes
This product supports standard door thickness from 45mm to 55mm, featuring a 2-3/4”(70mm) backset and 3-5/8”(92mm) center-to-center dimension. Stainless Steel Door Lock is suitable for wooden doors, metal doors, and fire-rated doors. Standard specifications help installation teams reduce adjustment work during construction projects.
5. Multiple Finish Options
Stainless Steel Door Lock is available in SSS, PSS, PVD, PB, AB, AC, and MB finishes, providing flexible choices for modern buildings, commercial spaces, and residential projects. Different surface treatments allow the lock to match various architectural styles and interior designs, helping buyers select suitable door hardware solutions for different applications.
1. Hotel Guest Areas
Hotels require door hardware solutions that combine appearance and convenient operation. Stainless Steel Door Lock is suitable for guest rooms, corridors, and service area doors, including wooden doors and fire-rated doors. Multiple finish options help match different interior designs, while ANSI Grade 1 certification supports professional hospitality projects.
2. Office Buildings
Office entrances, private rooms, and shared areas require consistent door lock solutions. Stainless Steel Door Lock is suitable for wooden doors, metal doors, and fire-rated doors in commercial buildings. Left-hand and right-hand options provide installation flexibility, while key and thumb turn operation supports convenient daily access management.
3. Residential Projects
Residential developments require standardized door hardware for large-scale installation. Stainless Steel Door Lock can be applied to entrance doors, interior doors, and shared residential areas. SUS304 components and multiple finish choices allow developers and door manufacturers to create coordinated door hardware solutions according to different housing designs.
4. Industrial Facilities
Industrial buildings, warehouses, and equipment areas require door locks with strong installation compatibility. Stainless Steel Door Lock features stainless steel lockcase and Grade 304 components, making it suitable for industrial doors, fire-rated doors, and metal doors. Standard specifications provide an efficient solution for professional construction applications.
D&D Hardware is a professional manufacturer and supplier of architectural door hardware and complete door opening solutions. With over 18 years of manufacturing experience and ISO 9001 certification, we serve global customers from our production base in China, delivering reliable hardware solutions for metal doors, wooden doors, and fire-rated doors.
Our product portfolio covers a full range of commercial and architectural hardware, including door hinges, door locks, lever handles, door closers, exit devices, door stoppers, door bolts, and related accessories. In addition to standard product lines, we offer flexible customization options to support specific project requirements, while ensuring each product meets the functional, safety, and durability demands of modern building applications across diverse environments.
