S-97613A520 M4 x 8 mm JIS B 1111 JIS Stainless Steel Flat Head Screws
JIS Stainless Steel Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- Precise and secure fastening ensured by the M4 x 0.7mm coarse thread and Class 6g fit, reducing the risk of cross-threading.
- Optimal flush mounting with a standard 90° countersink angle and flat head design for a clean, finished appearance.
- Enhanced drive engagement using the No. 2 JIS drive style, providing positive torque transfer and reducing cam-out.
- Full-length threading for maximum grip and holding power along the entire 8mm shank length.
- High tensile strength of 50,000 psi, providing reliable performance in demanding mechanical assemblies.
- Guaranteed compliance and quality, meeting JIS B 1111 specifications and RoHS 3 environmental standards.
Professional Applications & Engineering Value
This M4 flat head screw is engineered to address critical challenges in precision assembly, such as vibration loosening and material incompatibility. The 18-8 stainless steel offers excellent resistance to oxidation and chemical exposure, making it suitable for electronics, machinery, and outdoor equipment where corrosion resistance is paramount. The coarse pitch metric threading and Class 6g thread fit ensure quick installation and reliable clamping force, reducing assembly time and improving joint integrity. With a fully threaded design and JIS B 1111 standard compliance, these screws deliver consistent performance in automated production lines and high-stress applications, providing long-term durability and minimizing maintenance needs.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including a Class 6g thread fit per metric specifications and a 90° countersink angle. It conforms to the JIS B 1111 manufacturing standard and is verified as RoHS 3 (2015/863/EU) Compliant, ensuring it meets stringent international regulations for hazardous substance restrictions.
