Structural Fasteners are strong heavy duty fasteners that are typically used for creating structures through steel to steel structural connections such as buildings and bridges. They are often applied alongside other structural fasteners to metal beams and girders. A325, A563. and F436 Structural fasteners are all compatible with each other and it is advised to only use structural fasteners with other structural fasteners.
A325 Heavy Hex Bolts
A heavy hex bolt is a cap screw or bolt with a hexagonal head, designed to be driven by a wrench (spanner). Heavy Hex Bolts are larger and thicker than standard hex cap screws, particularly in the hex head portion which is thicker and slightly larger than the hex heads of hex cap or tap screws of the same size. The larger Hex head provides a wider bearing surface with which to distribute the load. These types of bolts are designed to withstand the load of steel to steel structural connections and typically have shorter thread lengths than normal hex cap screws.
A563 Heavy Hex Nuts
Structural A563 Heavy Hex Finish Nuts, also known as A563 Heavy Hex Nuts. Heavy hex finish nuts, also known as heavy hex finished nuts, heavy hex nuts, and finish heavy hex, are used for many fastening applications. Heavy hex finish nuts are often used with bolts when a heavier, stronger and thicker nut is needed, often for strength or a thicker finished look.
F436 Flat Washers
A Structural F436 flat washer is a round outer diameter thin plate with a center hole (inner diameter) punched to the size of the bolt or screw size. Flat washers are normally used to distribute loads of threaded bolts, screws and nuts evenly as the fastener is tightened.
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