D and D provides a wide range of products for wooden and metal door applications.
such as Stainless Steel Door Hinges, Door Locks, Lever Handles, Door Closers, Exit Devices, Door Stopers, Door Bolts and Door Accessories etc, not only door hardware but also Door Opening solution.
The D and D door set product category covers mortice locks, European profile cylinders, lever handles and hinges. Since the dimensions of all these products comply with DIN standards (DIN 18251 for mortice locks, DIN 18252 for profile cylinders and DIN 18255 for lever handles), the products are compatible amongst themselves regarding their functionality. All parts of the functional units are also perfectly aligned with each other.
D and D HARDWARE American standard locks can be used on metal or wooden doors. The mortice lock is tested and certified according to ANSI/BHMA A156.13-2005 Grade 1, UL fire rated to ensure the highest standards for fire doors.The gusset plate is made of 304 stainless steel. All products are equipped with stainless steel lock shells with high corrosion resistance. We have many types of American standard locks that are suitable for different scenarios, and the quality is guaranteed, so you can rest assured to buy.
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