S-91290A139 M4 x 6 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 for reliable performance in demanding applications.
- Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
- Precise and secure fastening with a 3mm hex drive and standard socket head profile, ensuring easy installation and high torque transmission.
- Consistent thread engagement due to Class 5g6g thread fit and M4x0.7mm coarse thread, reducing the risk of cross-threading and improving assembly efficiency.
- Full thread coverage along the 6mm length for maximum grip and load distribution in compact spaces.
- High hardness of Rockwell C37 provides excellent wear resistance, maintaining thread integrity under repeated use.
- Compliance with international standards including DIN 912/ISO 4762, ensuring interchangeability and quality assurance for global engineering projects.
Professional Applications & Engineering Value
This M4 socket head cap screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and material fatigue. Made from black-oxide alloy steel, it offers enhanced corrosion protection, making it ideal for machinery, automotive, and electronic enclosures exposed to moisture or chemicals. The Class 12.9 strength rating and coarse thread (M4x0.7mm) ensure reliable clamping force in high-stress applications, reducing maintenance downtime. Its fully threaded design and precise 3mm hex drive allow for quick installation with standard tools, streamlining production lines while meeting rigorous DIN 912/ISO 4762 specifications for dimensional accuracy and performance.
Specification Summary & Compliance
This screw features metric threading with a Class 5g6g thread fit for precise tolerance, ensuring consistent performance in right-hand coarse threads. It complies with DIN 912/ISO 4762 manufacturing standards, guaranteeing dimensional integrity and interchangeability. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmentally responsible and safe use in various industrial sectors.
