Floor hinge for commercial door
D&D offers floor springs with fixed and interchangeable spindles, most spindles are tapered 5.5 degrees for the glass patch fitting of Dorma, but D&D also offers the shaft tapered 10 degrees for New Star and 15 degrees for Royobi. The accessories including top pivot and bottom strip also are provided for the aluminum doors, steel doors, stainless steel doors, and wooden doors.
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Floor Spring | Door Closer & Hardware Manufacturer | D&D
Based in Taiwan, D&D BUILDERS HARDWARE CO., since 2002, is a Floor Spring | 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.