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What is the acceptance method for non-standard screws
28-03-2019
First of all, the non-standard screw is also the evolution of the national standard screw. It is also necessary to determine the specific testing items according to the national standard standard for surface defects of s...
Non-standard screws are widely used in small spaces
22-03-2019
Non-Standard Bolts are widely used in the assembly of electromechanical and light industrial products. If the nut of a certain product needs to be installed outside, and the space inside is small, the indenter of the riv...
Types of non-standard screws and applicable occasions
14-03-2019
(1) Pre-embedded screws are mainly used for suspension and fixing of air-conditioning pipes, water pipes, electric pipes, ceilings, etc. (2) Twisted flat head non-standard screws can be used on cement concrete, brick wal...
What is the characteristic of a hexagon bolt
07-03-2019
In many cases, hexagon bolts are often used with nuts. As the name suggests, the head is a hexagonal screw, which is often referred to as a "bolt." Unlike hexagon socket head cap bolts, there is no hexagon socket, so use...
What is the processing of the T-bolts
27-02-2019
The screw is produced by the process of red satin. After heat treatment, the grade is 8.8. The general method is the mold platen bolt. The T-screw can usually be placed directly into the groove. During the installation p...
What is the precision of iron precision screws
20-02-2019
The rivet contact has two forms: a nail head layer and a double layer at both ends. The composite material may be made of silver, gold, palladium, platinum or alloy materials. The matrix is generally pure copper with goo...

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Haiyan Shangjia Hardware Co., Ltd. was established in 2008, has many years of non-standard bolts,screw production experience. Companies focus on non-standard bolts, screws and parts of the R & D and production for the product to save the second processing procedures at the same

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What is the acceptance method for non-standard screws

Non-standard screws are widely used in small spaces

Types of non-standard screws and applicable occasions

What is the characteristic of a hexagon bolt

What is the processing of the T-bolts

What is the precision of iron precision screws

About Us

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