S-91287A188 M12 x 25 mm ISO 4017, DIN 933 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and outdoor applications
• High tensile strength of 100,000 psi ensures reliable performance in demanding mechanical assemblies and structural applications
• Coarse threading with Class 6g fit provides faster installation and superior vibration resistance compared to fine thread alternatives
• External hex drive design allows for high torque application using standard tools, reducing installation time and tooling costs
• Full threading along the 25mm length maximizes grip range and load distribution across connected materials
• Compliance with ISO 4017 and DIN 933 standards guarantees dimensional accuracy and interchangeability in global engineering projects
• RoHS 3 and REACH regulatory compliance ensures environmental safety and meets international supply chain requirements

Professional Applications & Engineering Value

These M12 hex head screws deliver critical performance advantages in industrial settings where corrosion resistance and mechanical strength are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical degradation, making these metric screws suitable for marine equipment, food processing machinery, and outdoor structures. The coarse thread configuration with Class 6g tolerance ensures rapid assembly while maintaining secure fastening under vibration, significantly reducing maintenance cycles in automotive, construction, and heavy equipment applications. The external hex drive accommodates standard wrenching tools for efficient installation in confined spaces, while the fully threaded design offers versatile clamping across varying material thicknesses.

Specification Summary & Compliance

Manufactured to precise metric dimensions with M12 thread diameter, 1.75mm pitch, and 25mm length. Threads conform to Class 6g tolerance per ISO metric standards, ensuring consistent fit and performance. Complies with ISO 4017 and DIN 933 specifications for hex head screws. Meets RoHS 3 (2015/863/EU) with applicable exemptions and REACH (EC 1907/2006) compliance for hazardous substance restrictions. Right-hand threaded configuration with external hex drive (19mm width, 7.5mm height) for standard tool compatibility.