Steel hexagon socket bolt with spring washer and large flat washer, trivalent chromate black.
FC-0000EB-S2
Steel hexagon socket bolt (cap bolt) with spring washer and large flat washer, trivalent chromate black.
The hexagon socket bolt is equipped with a spring washer and a flat washer. Since they are pre-assembled, it reduces the time required for the assembly process. The presence of the washers also helps prevent damage to the seating surface of the mating material.
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basic information
Size range: M3-M8
Price information
Delivery times vary depending on the quantity. Same-day shipping is possible at the earliest. Please feel free to contact us.
Delivery Time
※Delivery times vary depending on the quantity. Same-day shipping is possible at the earliest. Please feel free to contact us.
Applications/Examples of results
Steel is widely used as a material for screws due to its easy availability, strength, and toughness. Based on carbon steel, which primarily consists of iron (Fe) and carbon (C), alloy steels that have been heat-treated or contain additives such as chromium and molybdenum are used according to applications that require specific shapes, strengths, and corrosion resistance. Trivalent chromate is a surface treatment that serves as an alternative to chromate plating, providing corrosion resistance equal to or greater than traditional chromate treatment without containing harmful hexavalent chromium. Additionally, it can control the decrease in corrosion resistance that occurs during heating, which is a drawback of chromate treatment. In recent years, there has been a growing global awareness of environmental measures, and many industries, including automotive and semiconductors, are considering alternative treatments to hexavalent chromium, with trivalent chromate being used as a substitute for chromate plating. On the other hand, compared to chromate treatment, managing the process parameters such as the stirring state of the plating material, immersion time, temperature, and pH can be challenging, which may lead to inconsistencies in appearance and color. Furthermore, in general chromate treatment, the color may change as corrosion begins.
Company information
Wilco sells various fastening components, including screws, as well as professional tools. Please feel free to contact us regarding custom products, custom processing, and the issuance of various certificates and documents related to other products.
![[Processing Example] Super Long Hexagon Socket Bolt High Hardness Parts Processing](https://image.mono.ipros.com/public/product/image/1eb/2000615610/IPROS17828583065979975258.jpeg?w=280&h=280)
