DDML055
D and D Hardware
Stainless Steel
SSS , PSS , PVD , PB, AB , AC, MB
Silver,Black, Golden, Antique Brass, Antique Copper
Wooden Door, Metal Door, Fire Door, Smoke Door, Interior Door, Outer Door, Swing Door etc.
T/T, L/C, D/P, Western Union
Jiangmen /Guangzhou / Shenzhen , China
200,000/Month
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Commercial Project Hardware Mute Mortise Lock with Bit Key-DDML055
D&D Mute Mortise Lock with Bit Key (model DDML055) combines whisper-quiet operation with classic bit key functionality, offering a unique locking solution for traditional and heritage-style doors. Featuring a 50mm backset and 85mm distance, this lock is compatible with standard door preparations for straightforward installation. The forend and strike plate are constructed from durable SUS201 stainless steel, ensuring long-lasting strength and corrosion resistance. The deadbolt features an oblique tongue design with plastic construction, which reduces friction and contributes to smoother, quieter locking and unlocking actions. The bit key mechanism provides reliable deadbolt control, making it ideal for restoration projects, vintage buildings, and applications where traditional key operation is preferred. Available in a variety of finishes—SSS, PSS, PVD, PB, AB, and AC—this lock offers versatile design options to match different door styles and architectural aesthetics. Combining timeless design, quiet performance, and durable construction, the DDML055 delivers reliable security and lasting value for both residential and commercial applications. For more details, please contact us.
Product Overview
Product name | Commercial Project Hardware Mute Mortise Lock with Bit Key-DDML055 |
Product Model | DDML055 |
| Backset available | 50 mm |
Distance | 85 mm |
Material | SUS201Forend, Strike Plate, Plastic deadbolt |
Forend & Strike plate | Square or Radius |
Finish | Satin stainless steel, Polished stainless steel, Polished brass,Antique brass, Antique copper,Matt Black, Physical Vapor Deposition |
Color | Silver,Black,Golden,Antique Brass,Antique Copper |
| Suitable For Door | Wooden Door, Metal Door, Fire Door, Smoke Door etc. |
Packaging & Shipping
MOQ | 300 Sets |
Package | One pair/white box or color box or Blister card in Standard export carton |
Sample time | 5-7 working days |
Production lead time | 30-35 days |
Shipping Port | Jiangmen , China / Shenzhen , China . |
Contact us
The Door Hardware that we offer are tested to the most stringent international industry standards, including BS EN, CE, UL, ANSI and BHMA, Suitable for Education, Healthcare, Hospitality, Residential and Commercial applications.
More door hardware items include:
1.Door Hinge- UL 10C R38013 & BHMA/ANSI Grade1/2 & CE EN1935 Grade 13
2.Concealed Hinge- BS EN1935, EN1634 Fire Rated & UL 10C R38013
3.Door Lock - CE EN12209 UKCA Fire Rated & UL 10C R40901
4. Door Handle- BS EN 1906 Grade 4, EN1634 Fire Rated
5. Panic Exit Device- UL 10C R40486 & UL305 SA45817 & CE EN1125
6. Door Closer – CE BS EN 1154 & UL 10C R40717
7. Lock Cylinder-BS EN1303, EN1634 Fire Rated
8. Glass Hardware / Bathroom Hardware / Barn Door Hardware
Contact:
David Jian
Mobile:0086-139 2903 7292E-mail: sales@danddhardware.com