S-91287A417 M20 x 70 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex 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 thanks to 18-8 stainless steel construction, ideal for harsh industrial environments.
- Superior mechanical strength with a tensile strength of 100,000 PSI for reliable performance in heavy-duty applications.
- Optimized for quick installation with a standard external hex drive and coarse thread pitch for faster assembly.
- Precise thread fit with Class 6g tolerance ensuring consistent, secure fastening and vibration resistance.
- Full threading along the 70mm length provides maximum grip and load distribution across the entire fastener.
- Compliance with international standards including ISO 4017/DIN 933, guaranteeing dimensional accuracy and interchangeability.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these M20 hex head screws deliver critical reliability where failure is not an option. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making them suitable for outdoor machinery, chemical processing equipment, and marine applications. The coarse thread (M20x2.5) and fully threaded design ensure rapid installation and superior holding power in soft materials or where high vibration is a concern. With an external hex drive for high-torque application, these screws meet ISO 4017 DIN 933 specifications, offering engineers a trusted solution for structural assemblies, heavy machinery, and infrastructure projects requiring durable, long-lasting fasteners.
Specification Summary & Compliance
This hex head screw features a metric M20 thread with a 2.5mm coarse pitch and a Class 6g thread fit for standard tolerance. The dimensions—70mm length, 30mm head width, and 12.5mm head height—conform to ISO 4017 / DIN 933 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring the product is free from hazardous substances and safe for various industrial and export markets.
