
Cylinder
Mortise cylinder, Rim cylinder and European profile cylinder
D&D manufactures mortise cylinders, rim cylinders, and European profile cylinders in Taiwan, they are mostly machined from solid bar brass, offer an abroad selection of models, providing the flexibility required for numerous applications. For some models, material in aluminum or zinc alloy is also available by request.
Keyed Mortise Cylinder
CY-21
D&D mortise cylinders are machined from solid bar brass. If you have cost concerned, material...
DetailsThumbturn Mortise Cylinder
CY-22
D&D thumbturn mortise cylinders are machined from solid bar brass. If you have cost concerned,...
DetailsRim Cylinder
CY-01
Remark: Please advise the material, keyway, function upon inquiry and ordered.
DetailsLock Cylinders
CY-40
PATIO DOOR CYLINDER Lock, with a hardened break-away tailpiece.Remark: Please advise the material,...
DetailsLock Cylinders
CY-41
Key in Knob Cylinder.Remark: Please advise the material, keyway, function upon inquiry and ordered.
DetailsLock Cylinders
CY-42
Key in Knob Cylinder.Remark: Please advise the material, keyway, function upon inquiry and ordered.
DetailsEuropean Profile Cylinder
CY-60
Euro Profile Cylinder, only single thumbturn end.Remark: Please advise the material, keyway,...
DetailsEuropean Profile Cylinder
CY-61
Euro Profile Cylinder, only single Key end.Remark: Please advise the material, keyway, function...
DetailsEuropean Profile Cylinder
CY-62
Euro Profile Cylinder, with Key-Key ends.Remark: Please advise the material, keyway, function...
DetailsEuropean Profile Cylinder
CY-63
Euro Profile Cylinder, with diamond head thumbturn.Remark: Please advise the material, keyway,...
DetailsEuropean Profile Cylinder
CY-64
Euro Profile Cylinder, with round head thumbturn.Remark: Please advise the material, keyway,...
DetailsEuropean Profile Cylinder
CY-65
Euro Profile Cylinder, with Napoleon head thumbturn.Remark: Please advise the material, keyway,...
DetailsCylinder | Door Closer & Hardware Manufacturer | D&D
Based in Taiwan, D&D BUILDERS HARDWARE CO., since 2002, is a Cylinder | door closer & hardware supplier. Main products, including door hinge, door handle, door lock and cylinder, door closer, door accessory and so forth.
TÜV Rheinland & UL certified door closer and hardware production from designing, molding, plastic injection, stamping, forging, die casting to CNC machining, has over 20 years with plentiful experiences in handling various architectural hardware. SLIDEback sliding door closer, the patented connecting design provides various applications for different sliding doors, and the connection and separation switching bar design allow having a door with or without auto-closed function.
D&D has been offering customers high-quality door closer and hardware, both with advanced technology and 15 years of experience, D&D ensures each customer's demands are met.