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October 23, 2015

Rivet

A rivet is a permanent mechanical fastener. Before being installed, a rivet consists of a smooth cylindrical shaft with a head on one end. The end opposite the head is called the tail. On installation the rivet is placed in a punched or drilled hole, and the tail is up

February 22, 2024

Bolts

Bolts can be classified into different types based on their design, material, and usage. One common classification is based on the shape of the head of the bolt. There are hex bolts, which have a six-sided head that can be tightened with a wrench, and carriage bolts, which have a rounded head and a square neck that prevents them from turning when tightened. Another classification is based on the material of the bolt. Bolts can be made of steel, stainless steel, brass, or other metals, each with its own properties and applications. For example, stainles

October 23, 2015

Washer (hardware)

A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, spring (belleville washer, wave washer), wear pad, preload in

October 23, 2015

What is the screw

A screw, or bolt, is a type of fastener, typically made of metal, and characterized by a helical ridge, known as a male thread (external thread) or just thread, wrapped around a cylinder. Some screw threads are designed to mate with a complementary thread, known as a f

Brightfast is located in the beautiful coastal city of the East China Ningbo,Zhejiang Province. We are a professional fasteners manufacturer we have rich experiences with 20 years on Fasteners which specialized in manufacturing all kinds of fasteners,Standard and Non- standard,such as...
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