What are hex head cap screws?

What are hex head cap screws?

A hex cap screw utilizes a washer face under the head and a chamfered end, while the hex bolts lack those features and requires a nut. These fasteners are commonly used in construction, machine parts, and maintenance repairs.

What grade are cap screws?

A grade two hex cap screw is made from medium or low-carbon steel, a grade five consists of medium carbon steel, and a grade eight is made out of medium carbon alloy steel.

What are hex cap screws used for?

A hex cap screw is a six-sided bolt with a trimmed hex head and a washer face on the bearing surface. It must meet specific tolerances as described under ASME B18. 2.1-1996. Hex cap screws are commonly used in OEM applications where precise tolerances are needed.

What are hex head screws 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.

Is a hex cap screw a bolt?

Technically, a bolt is installed by turning a nut to tighten the fastener, while a cap screw in installed by turning the head of the bolt to assemble and tighten. For example, SAE J429 Grade 2 is typically provided as a hex cap screw, whereas ASTM A307-A is a common hex bolt specification.

Which grade of cap screw is stronger?

The strongest commercial-quality bolt is grade 8, marked by six raised dashes; its medium-carbon alloy steel has been quenched and tempered to achieve a tensile strength of 150,000 psi.

Are cap screws strong?

With a tensile strength of 150,000 pounds per square inch, grade 8 hex cap screws are stronger than grade 5.

What can I use as a hex screw?

Hex-head screws are screws with a hexagonal-shaped head that can be tightened with a wrench (spanner) or socket, which engages with the external faces of the hex head.

What are the sizes of hex cap screws?

Steel hex cap screws range in diameter from 1/4 inch to 1 1/2 inches (0.6 to 3.8 centimeters) and from 3/8 inch to 24 inches (1 to 61 centimeters) in length; however, the very short sizes don’t come in wide diameters, and the very long sizes don’t come in thin sizes.

What are the different types of cap screws?

Common cap screw head styles include: hex head cap screws, socket head cap screws, button head cap screws, flat socket head cap screws and low profile socket head cap screws. Steel and stainless steel hex cap screws are classified by grade for SAE or property class for metric.

What are the different types of screws and bolts?

Below is a breakdown of the seven most common types of screws and bolts that every homeowner will run into at some point in his or her life, according to Roy. 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’s the hardness of a hex head cap?

The core hardness of grade five hex head cap screws, measured in Rockwell, can range from C19 to C30, while the core hardness of grade-8 hex cap screws should be from C33 to C39.