Door Hinges ASSA ABLOY hinges are made of stainless steel grade 304 with standard imperial hole, fire rated and tested 200,000 cycles. Our hinges are suitable for interior, exterior and fire rated doors (wooden and metal) with high corrosion resistance, high durability and friction resistance. Concealed HingesOur 3D Adjustable Concealed Hinges are perfect for wooden frames and for flush wooden interior doors with weight of 40-60 kg. Architectural HingesCheck our wide range of architectural hinges suitable for high traffic doors and commercial applications.