S-91287A515 M18 x 50 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 demanding industrial environments.
- High tensile strength of 100,000 psi ensures reliable performance and joint integrity under significant load.
- Coarse thread pitch (2.5mm) enables faster installation and reduced risk of cross-threading, saving valuable assembly time.
- Class 6g thread fit provides consistent, precise engagement for secure and vibration-resistant fastening.
- Full threading along the 50mm length offers maximum grip and adjustability across a wider range of material thicknesses.
- External hex drive and hex head design allows for high-torque application with standard tools, simplifying maintenance and disassembly.
- Compliance with major environmental regulations (RoHS 3, REACH) ensures safety and suitability for global markets and sensitive applications.
Professional Applications & Engineering Value
This M18 hex head screw, manufactured from durable 18-8 stainless steel, is engineered to solve common industrial fastening challenges, such as corrosion-induced failure and joint loosening under vibration. Its metric coarse thread (M18x2.5) and Class 6g thread fit ensure quick, accurate installation in heavy machinery, structural steel frameworks, and manufacturing equipment, reducing assembly errors. The fully threaded 50mm shank and external hex drive provide superior clamping force and ease of service, making it a reliable choice for industrial applications requiring long-term, maintenance-free performance in harsh conditions.
Specification Summary & Compliance
This screw adheres to the dimensional and mechanical specifications of ISO 4017 / DIN 933. The metric thread features a Class 6g tolerance for precise fit. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industries.
