Spring washers are disks of metaled that are formed in an irregular shape so that when the washer is loaded it deflects, acts like a spring, and provides a preload between two surfaces. Â Spring washer types include adjustable spacers, Belleville washers, bowed or curved washers, conical washers, f

Wood screws are a broad category, though, and you’ll find different types that offer a wide range of heads, drives, gauges, lengths, etc. Most all wood screws feature an aggressive heading that is ideal for really holding attachments, but you’ll have to choose the best type of wood screw to get the job done for you.

When it comes to fastening, one of the types of fasteners that have become very useful in the recent past are the wing nuts. The wing nut can be divided into cold heading wing nut, casting wing nut and stamping type wing nut.

The spring washer is widely used in the bearing and non-load-bearing structure of general mechanical products, which is characterized by low cost and convenient installation, which is suitable for assembling and disassembling frequently. But the spring washer is very low - proof.

A locknut, also known as a lock nut, locking nut, prevailing torque nut, stiff nut or elastic stop nut is a nut that resists loosening under vibrations and torque. Elastic stop nuts and prevailing torque nuts are of the particular type where some portion of the nut deforms elastically to provide a locking action. The first type used fiber instead of nylon and was invented in 1931.

The drywall screw series is one of the most important categories in the whole fastener product line. In life, we often see drywall screws on various occasions, such as on the wall, in the wardrobe, on the board, and so on. In fact, we are no strangers to drywall nails. Today we are going to have a deep understanding of drywall screws.