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Basic knowledge of blind rivets
What is a blind rivet? Blind rivets are a kind of rivets used for single-sided riveting, which must be riveted with a special tool—a riveting gun (manual, electric, pneumatic). This type of rivet is especially suitable for riveting occasions where it is inconvenient to use ordinary rivets (riveti...Read more -
How to choose the outer hexagon and inner hexagon bolts?
Hexagonal bolts are currently widely used in the fastener industry. Compared with straight and cross-shaped heads, their assembly is less prone to slipping and the torque is higher. Compared with the dodecagonal and multi-toothed heads, the structure is simple and the co...Read more -
Coarse thread and fine thread, how to choose?
The so-called coarse thread can be defined as a standard thread; while the fine thread is relative to the coarse thread. Under the same nominal diameter, the number of teeth per inch is different, that is, the pitch is different. The coarse thread pitch is large, while t...Read more -
What is a self-locking nut?
There are many kinds of nuts. Ordinary nuts often loosen or fall off automatically due to some external force during use. In order to prevent this phenomenon from happening, people invented the self-locking nut. The function of the self-locking nut is mainly anti-looseni...Read more -
The meaning of grade 4.8 bolts
The performance grades of bolts for steel structure connection are divided into more than 10 grades such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, among which the bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel and have been...Read more -
Basic knowledge of bolts
Bolts can be divided into two types: connecting bolts and anchor bolts according to their usage. The connecting bolts are mainly used to connect various parts of the mechanical structure, and the anchor bolts are mainly used to fix the mechanical structure in the concret...Read more -
The use of threaded rod
Threaded rods, commonly referred to as lead screws or threaded rods, are important fasteners used in various industries including construction, transportation and manufacturing. It consists of a threaded post with a full thread and no head. Threaded rods are available in...Read more -
Introduction to bolts, nuts and gaskets
Basic requirements for bolted connections When ordinary bolts are used as permanent connecting bolts, the following requirements shall be met: 1. For general bolted connections, flat washers should be placed under the bolt heads and nuts to increase the bearing area. 2. ...Read more -
Screw production process–drawing
The screw production equipment required for the entire screw production process is roughly divided into: wire drawing machine, cold heading machine, tooth rolling machine, etc. The production process is described in detail below: 1. Screw production process--drawing Also...Read more -
Screw production process
The screw production equipment required for the entire screw production process is roughly divided into: wire drawing machine, cold heading machine, tooth rolling machine, etc. The production process is described in detail below: 1. Screw production process--drawing Also...Read more -
Screw Basics
Terms Related To Screws 1. The difference between screws, nuts, nuts, bolts, screws and studs: The standard statement is that there are no screws and nuts. Screws are commonly known as "screws" with external threads. The shape of the nut is usually hexagonal, and the inn...Read more -
Thread Forming Method
1. Thread cutting It generally refers to the method of machining threads on workpieces with forming tools or abrasive tools, mainly including turning, milling, tapping and thread grinding, grinding and whirling cutting. When turning, milling and grinding threads, the tra...Read more
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