Manufacturer and performance classification of through-wall screws

Lei Feng's screw spirit becomes more and more precious with the passage of time and will never go out of date. However, are the through-wall screws ordinary screws used in our daily life? Is it the screw that Lei Feng said? In fact, the through-wall screw mentioned by Bian Xiao is necessary for our construction industry. There are many manufacturers producing this kind of through-wall screw, and there are many classifications of the performance of the through-wall screw. If you want to know the classification and performance of these manufacturers, follow Bian Xiao to learn!

Handan Zheng Ji Fastener Co., Ltd.

Company Profile: Handan Zheng Ji Fastener Co., Ltd. is a well-known manufacturer specializing in the production and sale of fasteners. Handan Zheng Ji Fastener Co., Ltd. was established in 20 13, located in Yongnian, Hebei, the largest standard parts production base in China. Is a large-scale fastener manufacturer with complete process equipment and leading technology.

Main products: nuts, studs, anchor bolts, U-shaped bolts, toothed belts, special-shaped fasteners, etc.

Xian county Jianwei construction equipment company

Company Profile: xian county Jianwei Construction Equipment Company is located in lotus town Street Industrial Zone, xian county City, Hebei Province, with superior environment and convenient transportation, adjacent to Tianjin and Beijing.

Main products: new wall-penetrating screws, water-stop steel plates, galvanized water-stop steel plates, steel sleeves, variable diameter steel sleeves, stainless steel water-stop steel plates, water-stop steel plate factory, three-stage wall-penetrating screws, new water-stop threaded pipes, new water-stop screws, steel connecting sleeves, etc.

Linyi Anshun construction hardware factory

Company Profile: Linyi Anshun Construction Hardware Factory was founded in 2000, and is affiliated to Anshun Group Company.

Main products: through-wall screws, through-wall screws, double-headed screws, iron horse stools, all-steel screws, etc.

Performance classification of through-wall screws

The performance of through-wall bolts for steel structure connection is divided into 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc. Among them, bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel, and have been heat treated (quenched and tempered). The bolt performance grade label consists of two parts of numbers, which respectively represent the nominal tensile strength and yield ratio of bolt materials.

Everything in this world is necessary and useful, and the through-wall screws we talk about are also very useful and necessary in our construction industry. When buying these through-wall screws, you must also know some manufacturers selling these products and be familiar with the performance classification of these through-wall screws! Only in this way can we better buy good and cheap products.

Tubatu Online provides you with "every decoration quotation, 1-4 local decoration companies, 3 sets of decoration design schemes" and the decoration pit avoidance strategy for free! Click this link:/Zhu Ye /zxbj-cszy.php? to8to _ from = SEO _ zhidao _ m _ jiare & amp； Wb, you can get it for free ~