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| MOQ: | 5000pcs |
| Price: | $0.098-0.35/piece |
| Payment Terms: | T/T, D/A, D/P, L/C, Western Union |
| Supply Ability: | 5 million sets |
Insulation Fastener Set: ¾ Sheet Metal Screws with Self-Locking Insulation Washer
Product Description
The metal gasket is made of SUS304, SUS316 (V-shaped or W-shaped) metal strips and other alloy materials alternately overlapped and spiral wound with soft materials such as graphite, asbestos, polytetrafluoroethylene gaskets, and asbestos free materials. The metal strips are fixed at the beginning and end by spot welding. Metal wrapped gaskets are elastic gaskets in semi metal sealing gaskets. The structural density of metal wrapped gaskets can be made according to different locking force requirements, and the compression degree is controlled by inner and outer steel rings. The surface accuracy of the flange sealing surface in contact with the wrapped gasket is not high.
Operation Process
The working principle of self-locking washers can be simply summarized as "frictional resistance". When the threaded connection is subjected to external force, the self-locking washer will generate a reverse frictional force to prevent the thread from loosening. This friction force is determined by the special structure and material of the self-locking washer.
The structure of self-locking washers is usually composed of a metal ring and a layer of elastic material. Metal rings are usually made of stainless steel or copper, and their surfaces have some protruding tooth like structures. These tooth shaped structures can increase the friction between self-locking washers and threaded connections. Elastic materials are usually made of rubber or plastic, and their function is to increase the elasticity of self-locking washers, making them easier to fit tightly with threaded connections.
When the self-locking washer is installed at the threaded connection, its metal ring will generate friction with the threaded surface. This friction can prevent thread loosening. At the same time, the elastic material will also increase the elasticity of the self-locking washer, making it easier to tightly fit with the threaded connection. In this way, the self-locking washer can play a good role in preventing loosening.
technical Parameters
FAQ
Q1 : How can you control your quality?
A1 : For each production processing, We have complete QC system for the chemical
composition and Physical properties. After production, all the goods will be tested, and
the quality certificate will be shipped along with goods.
Q2: Are you a manufacture or trader?
A2: We are truly a manufacturer, we not only can provide the high quality products with the
best price, but also can offer the best pre-sale service and after-service.
Q3 : Do you provide free samples?
A3 : Of course, free samples are available.
Q4 : What is your lead time?
A4 : It usually needs about 15- 20 days after receiving the PO.
Q5 : Can we visit your company?
A5 : Yes, for sure, you are welcome to visit company and our products.
Also, we can talk more about the technique details if you need.
Q6 : What is the warranty of your products?
A6 : Our products have at least 1 year warranty,if any quality problems,
we will take responsibility of the cost of the shipment and the replacement.
Q7: What's the MOQ of trial order?
A7 : No limit, we can offer the best suggestions and solutions according to your condition.
Q8: Why choose us?
A8: We had been in this line for more than 25 years, we can not only provide you high
quality products with competitive price, but also we can supply good technique service
which can help you solve problems.
