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How to take out the broken pressure riveting screws or broken bolt skillfully
2021-11-15 00:00
Riveting screws and bolts are common parts on mechanical equipment, mainly used to link various parts. But in the process of use, sometimes it will break. So, is there any way to skillfully remove the...
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Different home repair tools correspond to different needs
2021-11-15 00:00
Whether the home repair tools is good or bad will definitely affect the user experience, but the premise of truly solving the problem must be to buy a hand tool that can deal with the problem you are ...
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What are the differences between different home electric drills
2021-11-15 00:00
What is the difference between screwsdriver, pistol drill, impact drill and electric hammer? Screwdriver Generally, it is a lithium battery tool with a voltage of 3.6V-7.2V and a torque of 1-8 Nm. As ...
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Classification standards for self-tapping screws
2021-11-15 00:00
The implementation standards of self-tapping screws for drilling tails are GB / T 15856.1-2002, German standard DIN7504N-1995, and Japanese standard JIS B 1124-2003. This kind of screws has a drill ta...
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Classification of washers and self-tapping screws
2021-11-15 00:00
washer: ① Flat washer: It is used to overcome the uneven support surface of the workpiece and increase the stress area of the support surface. See GB848, GB95-97 and GB5287. ② Spring (elastic) washer:...
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What are the selection principles of fasteners
2021-11-15 00:00
Determine standards and varieties 1. Selection principles of varieties: (1) Considering the working efficiency of processing and assembly, the number of standard parts should be minimized within the s...
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Standard fasteners are divided into ten categories
2021-11-15 00:00
Determine category Standard fasteners are divided into ten categories, and the selection should be determined according to the use occasion of the standard fastener and its use function. 1. Bolts: Bol...
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Visual inspection and dimensional inspection requirements for fasteners
2021-11-15 00:00
Visual inspection 1) Is the supplier identification and performance level identification required? a Bolts and screws with performance level ≥ 4.8 must be marked; b Nuts with performance level ≥5 must...
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Typical processing route of fasteners
2021-11-15 00:00
1. Small size bolts below 8.8 (M16 and below) Raw material selection: low carbon steel (Q235, 08, 10, 18, etc.) Blank forming method: cold heading Thread forming: rolling or thread rolling (selection ...
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Disadvantages of zinc-chromium coating process for fasteners
2021-11-15 00:00
Although zinc-chromium coating has many advantages, it also has some shortcomings, mainly reflected in: 1). The zinc-chromium coating contains chromium ions that are harmful to the environment and the...
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Anticorrosive process of fasteners
2021-11-15 00:00
Oxidation is also called blackening or bluing. The workpiece is heated in a solution of air, water vapor or chemicals at room temperature or an appropriate temperature to form a blue or black oxide fi...
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Main uses of fastener plating process
2021-11-15 00:00
Surface treatment is a process of artificially forming a surface layer on the surface of the substrate material that is different from the mechanical, physical and chemical properties of the substrate...
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customer first is our service philosophy, and
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No.2 Yuanrun Park, DaiFeng Road , Wanghai town, Haiyan, Jiaxing City, Zhejiang （China Factory）. / 18 M.1 T.BANBUENG A.BANBUENG CHONBURI 20170 (Thailand Warehouse)
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