Floor Spring
Floor hinge for commercial door
D&D offers floor springs with fixed and interchangeable spindles, most of spindles are tapered 5.5 degree for the glass patch fitting of Dorma, but D&D also offers the shaft tapered 10 degree for New Star and 15 degree for Royobi. The accessories including top pivot and bottom strip also be provided for aluminum door, steel door, stainless steel door and wooden door.
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