S-90042A491 M8 x 35 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with Viton® fluoroelastomer O-rings that maintain integrity under extreme conditions from -20° to 400° F and pressures up to 1500 psi
• Exceptional corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• High tensile strength reliability with 100,000 psi rating and Rockwell B85 hardness for demanding applications requiring durable fastening solutions
• Precise thread engagement with Class 6g thread fit ensuring consistent performance and easy installation in metric assemblies
• Optimized drive efficiency through 6mm hex socket design providing secure tool engagement and reduced stripping risk during torque application
• Full thread coverage along the 35mm length enables maximum grip and load distribution across the entire fastened joint
• Broad industry compatibility meeting ASME B18.3, DIN 912, and ISO 4762 standards for reliable interchangeability in global applications

Professional Applications & Engineering Value

These M8 socket head cap screws with Viton® sealing address critical challenges in industrial equipment where fluid containment and temperature extremes compromise system integrity. The 18-8 stainless steel construction provides excellent corrosion resistance for chemical processing, marine, and food equipment applications, while the fully threaded M8 x 1.25mm coarse thread design ensures maximum engagement in tapped holes. The integrated Viton® fluoroelastomer O-ring creates reliable seals in hydraulic systems, pneumatic cylinders, and high-pressure manifolds, preventing leaks under continuous 1500 psi operation. With their 6mm hex drive and standardized socket head profile, these screws enable precise installation in confined spaces common in machinery, automation systems, and precision equipment assemblies.

Specification Summary & Compliance

Manufactured to Class 6g thread tolerance for precise fit in metric applications, these socket head cap screws comply with ASME B18.3, DIN 912, and ISO 4762 dimensional standards. The M8 x 1.25mm coarse thread configuration with 35mm length provides optimal engagement for maximum hole diameters up to 9.041 mm. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and material transparency for global industrial supply chains.