What material is a hex nut?

Common materials include steel (unplated and plated—see more about finishes below), stainless steel, brass, silicon bronze, aluminum and nylon. Steel remains the least costly material followed by stainless steel; copper alloys (such as brass and silicon bronze) are the most expensive.

What is a Grade 5 hex nut?

Grade 5 Nut Properties A six sided internally threaded fastener made from steel. Product standards require all grade-marked nuts 1/4 inch diameter and larger to have a raised or depressed insignia identifying its manufacturer.

What is a grade 10 nut?

Class 10 nuts are intended for use with screws and bolts of property classes 10.9 and lower. Mechanical properties of fasteners made of carbon steel and alloy steel.

What are the different grades of nuts?

Table 1.

What is the purpose of a hex nut?

The most common type of nut is the hex nut. This has a hexagonal outer shape for the faces of tools to apply torque when fastening. To provide a secure fastening, this type of nut typically relies on torque being applied to generate an axial force.

What is a Grade 8 hex nut?

Nut size (A.K.A. diameter) is the size bolt that the nut is used with. Thus a 1/4″-20 nut fits a 1/4″-20 bolt. …

What grade is a Class 8 nut?

Class 8. This is a metric nut grading similar to the SAE grade 5 classification, which is used in conjunction with Class 8.8 bolts. This is a medium strength nut.

What is Grade G nut?

An irregularly-shaped thread grips the bolt for a stronger hold than nylon-insert flange locknuts. They have a flange that distributes pressure where the nut meets the material surface, eliminating the need for a separate washer. Grade G locknuts are comparable in strength to Grade 8 bolts.

What is Grade C nut?

C. This nut grade denotation is for nuts that are used in heavy construction. They are marked with three curved lines around the central hole. This grade meets ASTM A563 specifications and is commonly used with ASTM A325 and ASTM A354 bolts.