S-90605A003 M4 x 8 mm DIN 912, ISO 4762 Left-Hand Threaded Alloy Steel Socket Head Screws
Left-Hand Threaded 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 alloy steel, providing reliable performance under high-stress conditions.
- Superior corrosion resistance from the black-oxide coating, extending service life in harsh industrial environments.
- Precise and secure fastening ensured by the Class 5g6g thread fit and left-hand coarse threading, reducing the risk of loosening in dynamic applications.
- Easy installation and removal with a standard 3 mm hex drive socket head, allowing for efficient assembly and maintenance.
- High tensile strength of 170,000 psi and Rockwell C37 hardness, offering robust holding power for demanding mechanical assemblies.
- Full compliance with international standards including DIN 912/ISO 4762, ensuring consistent quality and interchangeability.
- Environmentally safe operation with RoHS 3 and REACH compliance, meeting strict regulatory requirements for industrial use.
Professional Applications & Engineering Value
This M4 left-hand socket head cap screw is engineered to address critical challenges in high-vibration and heavy-load environments. Its Class 12.9 alloy steel construction, combined with a black-oxide surface treatment, provides excellent resistance to wear and corrosion, making it ideal for machinery, automotive, and aerospace applications where reliability is paramount. The left-hand coarse thread with a Class 5g6g fit ensures tight, secure connections that resist reverse rotation, reducing maintenance needs and downtime. With a compact 8mm length and 3mm hex drive, it offers easy access in confined spaces, enhancing assembly efficiency and operational safety in industrial settings.
Specification Summary & Compliance
This screw adheres to precise dimensional standards with a Class 5g6g thread fit and coarse thread pitch of 0.7mm, ensuring accurate and reliable fastening per DIN 912 and ISO 4762 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
