A stove bolt is a type of machine screw that has a round or flat head and is threaded to the head. They are usually made of low grade steel, have a slot or Phillips drive, and are used to join sheet metal parts using a hex or square nut.
What are flat head bolts called?
Flat Head Screws, also called Countersunk Screws, are conical with a flat outer face and a tapering inner face. An advantage to this type of screw is that very little of the head protrudes beyond the surface, allowing it to sink into the material.
What is a flat nut called?
Square Nuts. A four-sided nut that may be flat or beveled on top. Square nuts provide a greater surface contact area which provides more resistance to loosening.
What is a flat on a bolt?
Flat nuts are a simple nut that is stamped from sheet metal. … Flat nuts include two raised tangs with curved ends engage with the threads of an inserted fastener. This style of interface can work with either a machine screw or a self-tapping fastener, though they’re typically designed for machine screws.
What is a smooth bolt called?
A bolt with a smooth rounded head. The vast majority of carriage bolts have a square neck. This is a small square section under the head that prevents spinning during assembly. Carriage bolts are primarily used in wood.
What are the 3 types of screws?
3 Common Screw Types at a Glance – Machine, Sheet Metal, and Cap Screws.
What is a Panhead bolt?
Pan head screws are a common head type of non-countersunk screw head used in wood screws, self-tapping screws, self-drilling screws, and machine screws. They have wide heads, a flat bearing surface, high vertical, chamfered, or curved sides, and a flat or slightly domed top surface with a recessed socket.
What is a tinnerman nut?
A speed nut, aka sheet metal nut or Tinnerman nut, is a type of locknut with two sheet metal prongs that act as one thread. … When the fastener is tightened, the base of the nut, which is arched, elastically deforms and applies a force to the fastener, which locks it from loosening under vibrations.
What is the name of the nut which is a cap nut with spherical dome at the top?
Acorn nut is its common name and it is also called a crown hex nut, blind nut, cap nut or domed cap nut. It is a nut that has a domed top to cover the threads.
What is a hex bolt?
Hex bolts, or hex cap screws, are large bolts with a six-sided head (hexagonal!) used to fasten wood to wood, or metal to wood. … Wood screws have many different types of heads, but the most common are round heads and flat heads.
What are elevator bolts?
Elevator bolts are designed hold together canvas belts used in grain elevators and other conveyer systems. The large diameter of the head and square neck creates a greater bearing surface to keep the bolt from going through the soft conveyor material.
What is a flange bolt?
Used in automotive applications, plumbing, and more, flange bolts feature a washer like flange beneath the bolt head that speeds production time and distributes the clamping load, offering protection to the mating surface.
What are Chicago screws?
A sex bolt, (also known as a barrel nut, barrel bolt, binding barrel, Chicago screw, post and screw or connector bolt), is a type of fastener (nut) that has a barrel-shaped flange and protruding boss that is internally threaded. … It is normally chosen because of its low profile compared to other nuts.
What are hollow bolts called?
Alloy Steel Hollow-Lock Set Screws
Also known as jam set screws, these lock other screws in place, hold pins, and adjust spring tension.
What is a coach screw?
A Coach Screw is a heavy-duty screw which has a square or hexagonal head and an externally threaded cylindrical shaft that tapers to a point at the tip. They are primarily used for holding together heavy timber, fixing metal to timber and in some cases masonry or concrete.