Hexagon socket head cap screws (cap bolts) Bolts with a hexagonal hole on a cylindrical head that’s fastened with a hex wrench. Although they are also called cap screws or socket screws, the most common names are “hexagon socket head cap screw” and “cap bolt”. They are generally given black oxide finish.
What is a hexagon head screw?
Hexagon Head Cap Screws or hex head cap screws are threaded fasteners with a six-sided head that can be installed with a wrench or a socket. Hex Head Cap Screws provide a large surface bearing area that allows for better clamping when compared to other fasteners.
What is a hex head screw used for?
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 socket head screw?
Socket screws are a type of screw designed and manufactured with a hexagonal (hex) internal drive built into the head. As such, they are intended to be tightened and loosened with an Allen wrench or hex key, as opposed to a traditional screwdriver.
What is a 6 sided screw called?
The Hex Drive is a six point fastener head. It is often known as a hex head cap screw or a hex head machine screw.
What are the 3 types of screws?
3 Common Screw Types at a Glance – Machine, Sheet Metal, and Cap Screws.
Why is hexagonal head preferred for cap screw?
The reason they’re so popular is because the hexagon shape of the head is very versatile, it can be grabbed by tools from all angles and even by hand if need be. … The same applies to hexagon bolts, they’re easy to tighten and loosen because of their shape.
What is the difference between a cap screw and a hex bolt?
A hex cap screw has tighter tolerances on the body dimensions and features a chamfered end and a washer face under the bolt head. … Hex bolts have a flat end and lack the washer face under the head.
What are hex screws called?
Hex bolts, also called hexagon screw head bolts, hex cap bolts, hex-cap screws, or machine bolts, are a very common choice when it comes to construction and repair. Hexagon screw head bolts come in a large variety of sizes and diameters.
Where are socket head cap screws used?
Socket cap screws are commonly used in machine parts, die fixturing, and clamping. The socket head enables driving where there is not sufficient space for wrenches or sockets.
What material are socket head cap screws?
Socket Head Cap Screws are heavy duty screws made from DFARS sourced alloy steel. Manufactured in the USA by Parker Fasteners, these strong externally threaded screws offer the highest strength for commercial fasteners, and are the ideal fastener where there is not sufficient space for wrenches or sockets.
What is a cap screw bolt?
Cap Screw. Refers to a hex head cap screw. This is a hex bolt with a circular washer face under the head. This does not extend past the edge of the hex as a flange bolt would. In most cases there is no operational difference between a hex head cap screw (left) and a hex bolt (right).
What does a hex screw look like?
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. Such tools engage with the external faces of the hex head.
When would you use a hex screw?
Hex bolts can be used for infrastructure that requires a strong fastener with high tensile strength properties due to their design and base materials. As mentioned, they can also be used in tight spaces with limited access because tools can access them from all angles due to the six points of contact on the hex head.
What are the different types of screw heads?
The two basic screw head types, countersunk and non-countersunk, include various unique designs.
The different screw drive types include:
- Phillips tamper-resistant.
- Hex external.
- Hex internal.
- Hex tamper-resistant.
- Square recess.