- Stainless steel
The dimensions of a heavy duty hinges differs from a normal hinges because of the obvious reason that it has to carry much larger load as compared to one being used for a normal kitchen cabinet in the home interiors.
Here are some ideal dimensions for heavy duty piano hinges.
Total Length = This depends on the manufacturer but normally you'll find 6 feet available everywhere in the market.
Material = Steel is the preferred choice in most cases as it is corrosion resistant and can carry good amount of strength for heavy duty usage.
Leaf Thickness = Ranging from 0.18 inches to 0.38 inches
Open Width = Ranging from 3.0 inches to 6.0 inches
Pin Diameter = ranging from 0.5 inches to 0.62 inches
Knuckle Length = Ranging from 1.5 inches to 2.0 inches
A hinge with these combinations of dimensions will go well for heavy duty external use.
While buying these hinges from online marketplaces it is important to check whether you are also getting screws along with your purchase. In most cases manufacturers DO NOT include screws when you buy hinges and you'll need to buy them separately. Normally the product description page will specify the number of screws you must use.
Heavy duty hinges are available in "with and without
holes" formats, so check what kind of surface qualities you are going to work with. Normally hinges without holes are used where spot welding is possible on shutters and frames.