Latch bolt operated by lever from either side. Dead bolt projected by key from outside and thumb turn from inside.Operating inside retracts both bolts and unlocks outside. The Front Door Mortise Lock Set DDAL13 F13 delivers commercial-grade security performance for high-traffic entrances where durability, fire safety, and long-term stability are critical. Certified to ANSI/BHMA A156.13-2005 Grade 1 and UL fire-rated standards, this lockset meets the strict requirements commonly specified in public buildings, residential complexes, and institutional projects. A heavy-gauge stainless steel lockcase enhances structural strength and corrosion resistance, supporting reliable operation under intensive daily use. All visible components, including the forend and strike, use Grade 304 stainless steel to maintain consistent performance across wood doors, metal doors, and fire-rated doors. Flexible door handing compatibility and a reversible latchbolt simplify installation across different project requirements.
| Product Model | DDAL13 F13 |
| 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 |
| 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.