What Is A Non-Removable Fastener And What Are The Types Of Non-Removable Fasteners?

As the most common connecting parts, fasteners have many types, among which the non-removable fasteners mainly include solid rivets, rivets, bolts, lock bolts, bracket nuts (rivet nuts) and other types. As a professional fastener supplier, Xinchi Fastener Company will introduce the different types of non-removable fasteners to you one by one.

What is a non-removable fastener?

Non-detachable fasteners are fasteners that must be destroyed if they are to be disassembled after connection and can only be connected once. Non-detachable fasteners need to tilt the fasteners artificially to disassemble the two parts. It is mainly used for connecting and fixing the parts without disassembling them in the process of use.

What are the types of non-removable fasteners?

Rivet: It is a kind of single riveting rivet, but special tools – a riveting gun (manual, electric, pneumatic) must be used for riveting. When riveting, the riveting core is pulled by the special riveting gun, so that the riveting body expands and plays the role of riveting. These kinds of rivets are especially suitable for riveting occasions which are inconvenient to use ordinary rivets (riveted from both sides), so they are widely used in buildings, automobiles, ships, aircraft, machines, electrical appliances, furniture and other products. Among them, the open-mouth flat head core-pulling rivet is the most widely used, the countersunk head core-pulling rivet is suitable for the surface needs to be smooth, the closed type core-pulling rivet is suitable for the requirements of higher load and has a certain sealing performance of the riveting occasions.

Split bolt: The split bolt generally uses the round steel bolt with both ends of the wire sleeve, also known as the wall bolt, also used flat steel with long holes at both ends of the wedge iron inserted fixed wedge tight. Because the bolt is also a kind of railway accessory that is a part of the railway line, the track here includes rail, sleeper, connecting parts, roadbed, anti-climbing equipment, rail support and turnout. As a whole engineering structure, the track is laid on the roadbed, plays the guiding role of the train running, and directly bears the great pressure of the rolling stock and its load.

Lock bolt: A lock bolt is composed of a lock core, a lock body, a lock wall and a bolt. It uses the combination of bolt and lock body to prevent outdoor facilities from being easily disassembled and stolen, so as to improve the safety and firmness of user facilities.

Bracket nut: A bracket nut is a fastener that allows the nut to be pre-installed on an aircraft component without a tool to hold the nut in place when installing screws or bolts. It usually consists of a self-locking nut and a bracket supporting the nut. If the nut and the supporting plate are integrated, it is called a fixed supporting plate nut. If the nut is stuck to the pallet, it is called a floating pallet nut. The supporting plate nut has one large and two small holes. The large hole is used for installing subsequent screws, and the two small holes with a diameter of 2.38mm are used for installing the supporting plate nut on the component.

Xinchi Fasteners Company is a leading fastener company in China. We can supply all kinds of fasteners including tee nuts, screws, bolts, etc. If you need wholesale fasteners, please contact us, and our experienced salesmen will reply as soon as possible.