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Two types of cleaners are commonly used for fasteners
Sometimes we find that the fasteners fixed on the machine are rusted or dirty. In order not to affect the use of machinery, how to clean fasteners has become a very important issue. The performance protection of fasteners is inseparable from cleaning agents. Only by cleaning and maintaining faste...Read more -
Reveal what is the “technical time difference” of the fastener industry
In the past 10 years, the technological improvement of my country’s fastener manufacturing technology in the process of cooperation with foreign equipment has been invisible. my country’s fasteners occupy a pivotal position in the global fastener industry. However, there is still a bi...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 -
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 -
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 -
Statistics of import and export of hardware industry
According to the main export economic regions: total exports to the Asia-Pacific region was 22.58 billion US dollars, an increase of 6.13% year-on-year; total exports to EU countries were 8.621 billion US dollars. Export situation: 1. Comprehensive analysis According to the main export economic r...Read more -
Global Hex Jam Nuts Market Forecast by Type and by Application (2021-2026) with Detailed Development History
The global Hex Jam Nuts market is valued at xx million US$ in 2020 is expected to reach xx million US$ by the end of 2026, growing at a CAGR of xx% during 2021-2026. Access more details about this report at: https://www.themarketreports.com/report/global-hex-jam-nuts-market-research-report (This ...Read more -
service and guarantee
1、Quality Certification SGS, ROHS, ISO 2、Professional testing 100% of full line testing system, in linewith international standard. 3、SALT SPRAY TIME 2 hours, 24 hours, 48 hours, 96 hours, 1000hours we can do as per need. And can offerwith salt spray checking report. 4、SUPPORT OEM&ODM We ...Read more
