S-91290A123 M3 x 20 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 strength and durability with Class 12.9 rating and 170,000 psi tensile strength, ideal for high-stress industrial applications.
- Superior corrosion resistance provided by the black-oxide finish on alloy steel, extending service life in harsh environments.
- Precise and reliable fastening thanks to M3 x 0.5mm coarse threads with Class 5g6g fit, ensuring consistent engagement and reduced risk of cross-threading.
- Easy installation and high torque capability with a 2.5mm hex drive socket head, allowing for secure tightening in confined spaces.
- Full compliance with international standards including DIN 912 and ISO 4762, guaranteeing interchangeability and quality assurance.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements for industrial use.
- Versatile fully threaded design for uniform load distribution and secure fastening across the entire length.
Professional Applications & Engineering Value
This M3 socket head cap screw is engineered from black-oxide alloy steel to deliver maximum reliability in demanding settings such as machinery assembly, automotive components, and precision equipment. The Class 12.9 strength rating and Rockwell C37 hardness ensure it withstands heavy loads and vibrations without failing, while the coarse thread design with Class 5g6g fit provides quick assembly and resistance to loosening. Its 2.5mm hex drive allows for efficient torque application in tight spaces, reducing installation time and improving workflow efficiency. Ideal for industrial fasteners requiring high tensile strength and durability, this screw solves common issues like stripping and corrosion, ensuring long-term performance in critical applications.
Specification Summary & Compliance
This screw features precise metric dimensions: M3 x 0.5mm thread with Class 5g6g fit for accurate thread engagement, a length of 20mm, and a socket head conforming to DIN 912 / ISO 4762 standards. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use. Manufactured to high-strength Class 12.9 specifications, it guarantees reliability and safety in engineered applications.
