What are double sided bolts called?

Also known as hanger bolts, use them to hang, mount, and fasten parts to wood structures.

What is a double hex bolt?

Good for high-strength fastening, these screws are made from steel comparable in strength to Grade 9 steel. The head makes 12 points of contact with a wrench to handle more torque than a socket head or hex head screw.

What are flat bolts called?

Countersunk Screws
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. These screws are commonly made out of stainless steel or zinc coating.

What are the different type of bolt heads?

The most common type of bolt head types includes square, hex, slotted hex washer and socket cap. The earliest bolt heads in use were the square heads. Square heads consist of a square indentation on the head followed by a shaft that withstands rotation when a torque is applied to it.

What is a hex head 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. Hex bolts have small threads and a smooth shank, and may be plain steel for interior projects or stainless steel or galvanized for exterior use.

What is cap screw?

n. A long-threaded bolt, usually with a square head, used in fastening machine parts.

What is a pan head 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 hex head screw?

Hex head screws have a hexagonal-shaped head that can be tightened with a spanner or socket. Hex head screws are screws with a hexagonal-shaped head that can be tightened with a wrench (spanner) or socket. The “hex head” term typically refers to a machine screw with a preformed machine thread.

What are hex screws called?

Hex head screws that tap their own hole are also known as lag or coach screws. They’re used to join heavy timber or heavy objects with timber. They can also attach heavy objects to masonry or light objects to steel.

What is a button head bolt?

A button head socket cap screw is a type of cap screw with a cylindrical head and hexagonal drive hole. Button Socket Head Screws are commonly used in automotive, electronics, machinery and manufacturing applications due to their versatility, raised dome head, and durability.

What is a hex screw?

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.

What is a Fillister head screw?

A Fillister head machine screw, sometimes called a cheese head screw, is similar to a Pan head machine screw but with greater side height. Fillister head screws are the preferred head type for counterbored holes. They are similar to a Pan head machine screw but with greater side height.

What is the difference between hex cap and Square bolt?

Square Head Bolts are similar to hex cap screws but with a 4-sided head. This head style allows for a wrench to grip more easily onto the head of the bolt. The head also provides a larger gripping area as compared to a standard 6-sided hexagonal head.

What is the difference between hex bolt and flange bolt?

Bolts with a hexagonal head with threads for use with a nut or tapped hole. Bolts with a smooth rounded head that has a small square section underneath. and pointed tip. Flange bolts have a flange on the bottom of the head that distributes the load like a washer.

What is a fully threaded hex bolt?

Fully Threaded Hexagon Bolts, otherwise known as a ‘hex sets’, are designed for use in heavy-duty fastening applications. As the name states, these fasteners are threaded all the way up to the head of the bolt. This makes them great for installation into pre-threaded holes.

What is the difference between Phillips and Hex Bolts?

Many screws and bolts are identified by their drive style. Unlike the ‘standard’ Phillips or Slotted drive, hex bolts are distinct because of their six-sided (hexagonal) heads. This style of bolt is the industry standard for fasteners with forged heads.