Self Tapping Screw 304 CSK (Thread – 4 MM)

SS BOLT

SS bolt stands for “Stainless Steel bolt.” Here’s a detailed description:

1. Material: SS bolts are manufactured from stainless steel, a corrosion-resistant alloy containing a minimum of 10.5% chromium. Stainless steel offers excellent resistance to corrosion, rust, and staining, making it suitable for use in various environments, including those with exposure to moisture, chemicals, and outdoor elements.
2. Design: SS bolts are threaded fasteners with a cylindrical shaft and a head at one end. The shaft is externally threaded to allow for insertion into a pre-drilled hole or threaded component. The head of the bolt may be hexagonal (hex head), square, round, or have other shapes, providing different means of application (e.g., for wrenches or sockets).
3. Thread Type: SS bolts commonly feature either metric or imperial (inch) thread types, depending on the region and application standards. Metric threads are measured in millimeters and follow standards such as ISO metric threads, while imperial threads are measured in inches and follow standards such as UNC (Unified National Coarse) or UNF (Unified National Fine).
4. Grade: Stainless steel bolts are available in different grades, each offering varying levels of corrosion resistance, strength, and temperature resistance. Common grades include 18-8 (also known as Type 304), which offers good corrosion resistance and is suitable for general-purpose applications, and 316 (Type 316), which provides superior corrosion resistance, particularly in marine and harsh chemical environments.
5. Coating/Finish: SS bolts may have different surface finishes or coatings applied for additional protection against corrosion and to enhance their appearance. Common finishes include plain (uncoated), passivated (chemical treatment to enhance corrosion resistance), zinc-plated (galvanized), and various types of coatings such as PVD (Physical Vapor Deposition) or DLC (Diamond-Like Carbon).
6. Strength: Stainless steel bolts offer moderate to high strength, depending on the grade and size. Higher-grade stainless steels, such as Type 316, generally have higher tensile and yield strengths compared to lower-grade alloys like Type 304.
7. Sizes and Dimensions: SS bolts are available in a wide range of sizes and dimensions to accommodate different requirements. Standard sizes are specified by industry standards such as ISO metric, UNC, and UNF, which define thread pitch, diameter, and other dimensions.
8. Applications: SS bolts are used in various applications across industries, including construction, automotive, marine, aerospace, food processing, pharmaceuticals, and outdoor structures. They are commonly used in environments where corrosion resistance, hygiene, and aesthetics are essential, such as in coastal areas, chemical plants, and food processing facilities.

In summary, SS bolts are high-quality fasteners made from stainless steel, offering excellent corrosion resistance, strength, and durability for a wide range of applications. Their resistance to rust and staining, along with their aesthetic appeal, makes them a preferred choice for many industrial, commercial, and residential projects