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Gupta Steel Fabricators
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Screw and Bolts

BOLT is a type of fastener formed of a metal rod that has an enlarged head at one end and a screw thread at the other. Bolts may be screwed directly into a threaded hole in the part they are to hold, or they may be held in place by nuts. A nut is a block of metal with a hole in the center and

machine screw

A machine screw is a type of fastener that, like, other fasteners, is used to join two or more objects. Machine screws are unique, though, because of their size. The American Society of Mechanical Engineers (ASME) defines machine screws as featuring a diameter of up to 0.75 inches.

sheet screw

As suggested by its name, a sheet metal screw is often used for sheet metal applications. You can fasten metal pieces to other metal objects, or you can attach metal to another surface like plastic, aluminum, plywood, hard rubber or wood. The fasteners are fully threaded to increase retention between materials

cap screw

Cap and machine screws are used to clamp machine parts together, either when one of the parts has a threaded hole or in conjunction with a nut. These screws stretch when tightened, and the tensile load created clamps the parts together.

we offer a variety of bolts

anchor bolts

Anchor bolts are designed to attach structural elements to concrete. In our industry, anchor bolts are typically used to attach steel to concrete. One end is embedded into the concrete, while the opposite end is threaded to attach structural support.

carriage bolts

Carriage bolts are a type of hexagon bolt specialised for use in woodworking, in particular, fastening metal to wood. Carriage bolts are designed with a domed head, which can prevent loosening from one side, an enlarged head shape also prevents the bolt from being pulled through a wooden construction

elevator bolts

Elevator bolts are threaded fasteners with a thin body and round head. These bolts may have either a square or ribbed neck to stop bolts from turning when a nut is tightened. They are used in tight spaces with moving parts such as in elevators and conveyor belts

flange bolts

Hex flange bolts are used on vehicle frames, especially truck frames, and anywhere a hex washer head bolt is needed. The large bearing surface distributes clamping force over a large area, allowing them to be used with irregular and oversized holes.