
Floor Spring
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.
Concealed floor spring for light traffic doors
FS-C9100 series
The FS-C9100 floor spring is designed for light traffic door. The compact design and low profile...
DetailsFloor Spring for double swing door
FS-T9200 series
The FS-T9200 floor spring has a wide range of applications, no matter light or heavy traffic...
DetailsUniversal floor spring, similar to Dorma BTS 84
FS-S9300 series
The FS-S9300 floor spring is designed for double action doors, but it is also no problem for single...
DetailsFloor Spring, similar to New Star 200
FS-S9400 series
The FS-S9400 floor spring applies for single and double action doors, is the most popular Japanese...
DetailsFloor hinge for max. 300 kg door
FS-S9500 series
The FS-S9500 floor spring is designed for heavy doors, the maximum door weight could be up to 300 kgs....
DetailsFree swing mini pivot
FS-T0006 series
The FS-T0006 is a free heavy Pivot Hinge without spring. The mini pivot can work with steel...
DetailsFloor hinge for commercial door | 15 Years Hidden Door Closers & Door Hinges Manufacturer | D&D
Located in Taiwan since 2002, D&D BUILDERS HARDWARE CO. has been a door closers and door accessories manufacturer. Our main self sliding and glass door hardware, include Floor Spring, Slide Back Sliding Door Closers, Self-Closing Door Closers, Deadlocks, Exit Devices, Glass Fittings, Deadlatches, Electromagnetic Locks, Glass and Wooden Door Floor Springs, Panic Devices, Panic Bars and Deadbolts, which are TÜV Rheinland & UL certified.
We have extensive and rich metal processing, plastic and rubber processing experience, such as: stamping, casting, die casting, forging, extrusion, CNC turning parts, Machining parts, plastic injection, rubber compression, transfer molding and injection molding. If the products what we produced do not meet your quality requirements, you do not need to pay. With more than 18 years experience, D&D is specialized in handling OEM projects and various industrial processes, such as designing, molding, plastic injection, rubber injection, metal machining, stamping, deep drawing pressing, forging, die casting, powder metallurgy, CNC machining and related fabrications.
D&D has been offering customers high-quality door closer hardware, both with advanced technology and 15 years of experience, D&D ensures each customer's demands are met.