S-90751A120 M4 x 20 mm DIN 912, ISO 21269 18-8 Stainless Steel Socket Head Screws
18-8 Stainless 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 corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 70,000 psi ensures reliable performance under significant mechanical loads and vibration.
- Precise Class 6g thread fit guarantees smooth assembly and secure fastening in critical applications.
- Fine 0.5mm pitch thread provides superior holding power and vibration resistance compared to coarse threads.
- Compact 3mm hex drive and 7mm head diameter allows for easy installation in confined spaces with standard tools.
- Full compliance with DIN 912/ISO 21269 standards ensures dimensional accuracy and interchangeability for global projects.
- Environmentally compliant with RoHS 3 and REACH regulations, meeting modern manufacturing and safety requirements.
Professional Applications & Engineering Value
This M4 socket head cap screw delivers critical performance in precision assemblies where space constraints and corrosion are concerns. Manufactured from 18-8 stainless steel, it resists oxidation and chemical exposure, making it suitable for machinery, automotive components, and electronic enclosures operating in demanding conditions. The fine metric thread with a 0.5mm pitch enhances grip strength and minimizes loosening under dynamic loads. Combined with a 3mm hex drive and compact head profile, it enables secure fastening in tight spaces without sacrificing tool accessibility. Its compliance with DIN 912/ISO 21269 ensures reliable fit and function in OEM and MRO applications worldwide, reducing assembly errors and maintenance downtime.
Specification Summary & Compliance
This screw features a Class 6g thread fit per ISO metric standards, ensuring precise dimensional tolerances for consistent performance. It is manufactured to meet DIN 912 / ISO 21269 specifications for socket head cap screws, covering head dimensions, drive style, and thread geometry. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of restricted hazardous substances and safe for use in various industrial and consumer applications.
