S-90042A269 M5 x 20 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Buna-N rubber O-ring provides reliable sealing up to 1500 psi maximum pressure, preventing leaks in demanding applications.
• Excellent Corrosion Resistance: Made from durable 18-8 stainless steel, offering reliable performance in various environments and reducing maintenance needs.
• Wide Temperature Tolerance: O-ring maintains sealing integrity across a broad temperature range from -40° to 225° F (-40° to 107° C).
• Precision Thread Fit: Class 6g thread tolerance ensures consistent, secure fastening with reduced risk of cross-threading or loosening.
• High Strength Construction: 100,000 psi tensile strength and Rockwell B85 hardness provide exceptional durability under heavy loads.
• Standardized Compatibility: Meets ASME B18.3, DIN 912, and ISO 4762 specifications for reliable interchangeability in global applications.
• Easy Installation: 4 mm hex drive socket head allows for straightforward installation with standard tools in confined spaces.

Professional Applications & Engineering Value

These M5 socket head cap screws with integrated Buna-N rubber O-rings deliver critical sealing solutions for industrial equipment exposed to fluids, gases, and pressure variations. The 18-8 stainless steel construction provides excellent corrosion resistance in harsh environments, while the Class 6g thread fit with coarse 0.8 mm pitch ensures reliable engagement and vibration resistance. The fully threaded design with right-hand thread direction offers maximum clamping force distribution, making these metric socket screws ideal for hydraulic systems, pneumatic equipment, and machinery requiring pressure-tight sealing up to 1500 psi. The combination of material strength, precise manufacturing, and standardized dimensions makes these fasteners essential for maintenance-free operation in demanding industrial settings.

Specification Summary & Compliance

This M5 x 0.8 mm x 20 mm socket head cap screw features Class 6g thread tolerance with coarse pitch threading according to metric standards. Manufacturing specifications comply with ASME B18.3, DIN 912, and ISO 4762 standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.