News
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Small bolts have great use at the critical moment “more than a thousand catties”
“There was a sudden defect in the pump of the oil depot. Chen went to prepare the tools, and Zhang went to notify the electrician to check the insulation of the broken wire. We are going to start dismantling and repairing the oil pump.” On October 17, the State Grid Gansu Liujiaxia Hy...Read more -
Do you understand hexagon head bolts?
Hexagon head bolt is a common machine screw, which has the advantages of easy to dismantle and not easy to slip off. A hex key is usually 90 degrees, with one end long and one short. When using short screws, holding the long side saves a lot of effort and tightens the screws better. The man...Read more -
Operation of China’s metal products industry from January to August 2022: profit fell by 11.5% year-on-year
From January to August 2022, the total profits of industrial enterprises above designated size nationwide were 5,525.40 billion yuan, a year-on-year decrease of 2.1%; the total profits of the manufacturing industry were 4,077.72 billion yuan, a decrease of 13.4%. From January to August 2022, the ...Read more -
China’s auto exports are gaining momentum and reaching a new level
After the export volume jumped to the second place in the world for the first time in August, China’s auto export performance reached a new high in September. Among them, whether it is production, sales or export, new energy vehicles continue to maintain the growth trend of “one ride ...Read more -
How to calculate bolt tightening torque
T=(0.5~0.7)*k*σs*As*d/1000 Among them, T: tightening torque, Nm k: tightening force coefficient, usually 0.12 σs: bolt material yield strength, Mpa As: dangerous Cross-sectional area, mm2 d: Nominal diameter, mm Hebei Chengyi Engineering Materials Co., Ltd. is committed...Read more -
Fastener market demand continues to increase, industrial clustering is one of the mainstream trends in its development
my country is the largest producer of fasteners in the world. In recent years, the output of domestic fasteners has shown a fluctuating growth trend. The report shows that the output of metal fasteners in my country will increase from 6.785 million tons in 2017 to 7.931 million tons in 2021, with...Read more -
How to understand high strength in high strength bolts
Several concepts about high-strength bolts 1. According to the specified performance level of bolts above 8.8, they are called high-strength bolts. The current national standard only lists M39. For large-size specifications, especially those with a length greater than 10 to 15 times High-strength...Read more -
Tax rebate funds bring “timely rain” to intelligent manufacturing
In the “creative highland” in the east of Yantai High-tech Zone, there has never been a lack of atmosphere and passion for innovation and entrepreneurship. Since the beginning of this year, the Taxation Bureau of Yantai High-tech Industrial Development Zone of the State Administration...Read more -
Statistical analysis of China’s fastener export volume, export value and average export price in June 2022
According to the data of Huajing Industry Research Institute: From January to June 2022, the export volume of China’s fasteners was 2,471,567 tons, an increase of 210,337 tons compared with the same period in 2021, a year-on-year increase of 9.3%; During the same period, it increased by $1,...Read more -
Six common quality problems of hex bolts
Hexagon bolts are relatively common among our screws, and customers also use them more. The following mainly talks about the common bad causes of external hexagon bolts. Common causes of external hexagon bolts 1. The material of the outer hexagon bolts is poor. Some customers of the outer hexago...Read more -
CatchLight Studios opens production services division Nuts & Bolts
EXCLUSIVE: CatchLight Studios today announced the launch of Nuts & Bolts, a new division dedicated to production services, overseen by Executive Vice President of Production Yolanda T. Cochran.Nuts & Bolts’ mission is to serve global production, from basic production services and co...Read more -
China’s Ministry of Commerce talks about the foreign trade environment in the second half of the year: there are still many favorable conditions to achieve stability and improve quality
On July 7, at the regular press conference held by the Ministry of Commerce, some media asked: In the second half of this year, factors such as high inflation and the conflict between Russia and Ukraine pushing up commodity prices will still affect the global economic outlook. What is the Ministr...Read more
