S-91290A886 M30 x 120 mm DIN 912, ISO 4762 Alloy Steel Socket Head Screws
Alloy Steel Socket 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
- Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, minimizing the risk of fastener failure.
- Superior durability and corrosion resistance from black-oxide alloy steel with Rockwell C37 hardness, extending service life in harsh industrial environments.
- Precise hex drive engagement with a 22 mm drive size allows for high torque application and secure installation without stripping.
- Optimized load distribution with a partially threaded M30x3.5 coarse pitch design, providing strong holding power and vibration resistance.
- Consistent dimensional accuracy meeting Class 5g6g thread fit and DIN 912/ISO 4762 standards, ensuring easy assembly and interchangeability.
- Versatile right-hand coarse threading enables quick installation and removal, ideal for heavy machinery and equipment maintenance.
- Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this M30 socket head cap screw delivers robust performance where high clamping force and fatigue resistance are critical. The black-oxide alloy steel construction, combined with a Class 12.9 strength rating, addresses common issues like loosening under dynamic loads and exposure to corrosive elements. Its partially threaded design with coarse pitch ensures efficient stress distribution along the shank, making it ideal for heavy-duty assemblies in machinery, automotive systems, and construction equipment. By adhering to DIN 912/ISO 4762 standards, it guarantees precise fit and reliability, reducing downtime and maintenance costs in professional engineering projects.
Specification Summary & Compliance
This product features a metric coarse thread with M30x3.5 dimensions and a Class 5g6g thread fit for precise tolerance alignment. It complies with DIN 912/ISO 4762 manufacturing specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, affirming its suitability for environmentally conscious and safe industrial use.
