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.
Door bolt is an usual door assembly in our daily life, and it play an important role. The door bolt we provide including lever action flush bolt, wooden door bolt, metal door flush bolts, door latch, security door bolts, stainless steel indicator bolt and dust proof socket. Different door bolt has different functions but they have same high quality, so you just need to choose the appropriate door bolt for your application. After a period of use, our door bolt will not rust, but be more and more smooth, of course, you should better make sure it is not in a damp setting. Browse through the categories below and you'll soon find what the door bolt you want.