
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,...
DetailsNeed Reliable OEM Cylinder Manufacturing with Consistent Quality Across Large Production Runs?
D&D's precision CNC machining capabilities produce mortise, rim, and European profile cylinders from solid bar brass with strict tolerances. Our comprehensive manufacturing processes ensure batch-to-batch consistency, while our flexible material options including aluminum and zinc alloy enable you to optimize product lines for different market segments. Contact us to discuss your OEM cylinder requirements and receive technical specifications tailored to your brand standards.
As a professional building hardware manufacturer with extensive metal processing expertise, D&D delivers reliable lock cylinder solutions that meet international standards. Our advanced CNC machining capabilities and comprehensive manufacturing processes ensure precise tolerances and consistent quality across production runs. Whether you require standard configurations or custom-designed cylinders for specific applications, our engineering team works closely with distributors, door manufacturers, and construction companies to develop solutions that enhance security and build lasting brand value in the global marketplace.













