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How does the screw protect against moisture

The method of preventing moisture and moisture of screws is as follows: (1) Solvent-free paint should be used for vibration machinery. (2). It is better to choose impregnating paint without oxidizing components, such as epoxy urethane (Epoxy-urethane) based or unmodified epoxy (Epoxy-) based impregnating paint. (3) When using melamine alkyd paint, the curing temperature and curing time should be adjusted.The

Screw Surface Inspection Method

There are two types of screw surface inspection, one is the inspection before the screw is produced without plating, and the other is the inspection after the screw is electroplated, that is to say, after the screw is hardened, the screw surface is processed after the inspection. After the screws are produced and before electroplating, we carry out inspections on

High Quality Fasteners Manufacturer In China

We take quality testing very seriously. Quality Bolts and Fasteners are our standard… So whether your job requires Material Test Reports (MTR’s), Positive Material Identification (PMI) analysis, hardness testing, or a variety of other chemical and physical tests, Yijin Hardware provides the certs that you need. Yijin Hardware provides fully traceable inventory and provides heat/batch numbers and chemical/physical tests for

У черных гипсокартонных винтов ржавчина?

Black drywall screws have a phosphate coating that is supposed to keep the wet drywall compound from causing the screw head to rust. Although the coating does help prevent rusting, it doesn’t stop rusting altogether, which is why black drywall screws are recommended only for indoor projects, due to their tendency to sometimes rust. In addition, drywall screws aren’t terribly

Что такое крепежные винты с полукруглой головкой?

Pan head machine screws Like nails, screws are (usually) small pieces of hardware used to hold materials together. One of the main differences is that screws are designed to be able to be removed and replaced easily without damage to the screw itself or the material it connects. Most screws are made from some type of metal, and many are