Latch bolt operated by key from outside or by operating inside lever. Outside lever is always inoperative. Auxiliary dead latch. The Classroom Mortise Lock DDAL07 F07 delivers reliable security performance for controlled-access interior spaces such as storerooms and closets. Manufactured with solid SUS304 stainless steel components, this lock ensures long-term resistance against corrosion, wear, and intensive daily use in commercial environments. Certified to ANSI/BHMA A156.13-2005 Grade 1 and UL fire-rated standards, it meets strict safety and durability requirements for institutional and public building projects. With a heavy-gauge stainless steel lockcase, precision casting bolts, and flexible finishing options including SSS, PSS, PVD, and antique tones, this model fits a wide range of architectural styles and project specifications. Suitable for wood doors, metal doors, and fire-rated doors, it supports both left-hand and right-hand installations, offering dependable performance for commercial-grade applications and bulk project requirements.
| Product Model | DDAL07 F07 |
| Application | Wood Door, Metal Door, Fire Rated Door, etc. |
| Certification and Compliance | 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 |
| MOQ | 200PCS |
| Package | 1pc / poly bag, white box / color inner box, standard export carton |
| Sample Time | 5-7 working days |
| Production Lead Time | 30-35 days normally |
| Shipping Port | Jiangmen, China / Shenzhen, China |
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.
