S-98070A260 6-32 x 5/8" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Reliable Sealing Performance - Integrated silicone O-ring creates secure seals against fluids and contaminants in demanding environments
• Exceptional Corrosion Resistance - 18-8 stainless steel construction with passivated finish ensures long-term durability in harsh conditions
• High-Pressure Capability - Withstands up to 20,000 psi maximum pressure for critical industrial applications
• Wide Temperature Tolerance - Silicone O-ring maintains sealing integrity across extreme temperatures from -150° to 500°F
• Precision Thread Engagement - Class 2A thread fit provides consistent, reliable fastening with reduced cross-threading risk
• Superior Mechanical Strength - 70,000 psi tensile strength and Rockwell B70 hardness ensure dependable performance under load
• Easy Installation - Phillips No. 1 drive and flat head design allow for flush mounting and straightforward assembly

Professional Applications & Engineering Value

This 6-32 UNC flat head Phillips screw with integrated silicone O-ring addresses critical sealing challenges in industrial applications where environmental protection is paramount. The 18-8 stainless steel construction, enhanced by passivated finish, provides exceptional corrosion resistance for machinery, electrical enclosures, and fluid handling systems exposed to moisture, chemicals, or outdoor elements. The fully threaded design ensures maximum engagement strength, while the standard flat head profile allows for countersunk installation in panels and housings. Engineered to maintain sealing integrity under high-pressure conditions up to 20,000 psi, this fastener is ideal for hydraulic systems, pneumatic equipment, and pressurized containers where leak prevention is critical to operational safety and efficiency.

Specification Summary & Compliance

This 6-32 UNC flat head screw features Class 2A thread fit per Unified Thread Standard specifications, ensuring precise dimensional accuracy and reliable mating with corresponding threaded components. The fastener is fully threaded with coarse thread spacing and right-hand thread direction. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental responsibility and material safety. The screw maintains dimensional specifications including 0.138" thread diameter, 5/8" length, and 100° countersink angle for proper flush installation in standard applications.