The High Security Mortise Lock delivers reliable protection and consistent mechanical performance for demanding door applications. Manufactured with solid SUS304 stainless steel for the roller bolt, deadbolt, forend, and strike plate, it provides strong resistance to wear, corrosion, and long-term usage. Certified to BS EN12209 and DIN 18251 Grade 3 standards, the lock has passed 200000 operation cycles, ensuring durability in high-traffic environments. Fire resistance reaches 260 minutes under EN1634, while corrosion resistance achieves 240 hours according to EN1670, supporting use in both safety-critical and exposed conditions. Suitable for wooden doors, metal doors, fire-rated doors, interior and exterior doors, as well as swing doors, this mortise lock offers a dependable solution for commercial and residential security needs.
| Product Model | DDML010 |
| Certification | BS EN12209 / DIN 18251 Grade 3, 200000 test cycles, EN1634:260 Mins fire rated, EN1670:240 hours corrosion resistance |
| Backset | 50mm, 55mm, 60mm |
| Distance | 72mm, 85mm |
| Material | Solid SUS304 roller bolt & deadbolt, SUS304 forend, strike plate |
| Forend & Strike Plate | Square or Radius |
| Finish | SSS, PSS, PVD, PB, AB, AC |
| Suitable for Door | Wooden door, metal door, fire door, interior door, outer door, swing door etc. |
| MOQ | 500PCS |
| 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.
