Narrow Stile Door Lock DDML021 delivers reliable performance for aluminum frame doors, slim profile entrances, and commercial access systems where space is limited but strength is critical. Manufactured using solid 304 stainless steel along with brass or zinc alloy internal parts, the lock ensures long-term durability under high-frequency use. It meets CE EN12209 and DIN 18251 standards with a tested lifespan of 200000 cycles, while also achieving EN1634 fire resistance up to 240 minutes, offering both mechanical reliability and fire safety compliance for demanding environments. The reversible latchbolt allows flexible installation without additional modification, improving efficiency during bulk installation projects. Compatibility with Euro profile cylinders ensures easy integration into existing door systems.
| Product Model | DDML021 |
| Follower | 8×8mm |
| Distance | 85mm 92mm |
| Backset | 20mm 25mm 30mm 35mm |
| Type | Radius Head, Square Head |
| Thickness | 2.5mm |
| Width | 16mm 22mm |
| Finish | SSS PSS PVD ABAC |
| Latch Bolt Material | Brass / Zinc Alloy / Stainless Steel |
| Dead Bolt Material | Brass / Zinc Alloy / Stainless Steel |
| Follower Material | Brass / Zinc Alloy / Steel / Stainless Steel |
| Forend Material | Stainless Steel |
| 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.
