S-98070A153 6-32 x 3/4" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Reliable Sealing Performance: Integrated Buna-N rubber O-ring ensures leak-proof joints under pressures up to 1500 psi, ideal for fluid and gas containment systems.
• Superior Corrosion Resistance: 18-8 stainless steel with passivated finish provides excellent durability in harsh environments, reducing maintenance and replacement costs.
• High Tensile Strength: Withstands up to 70,000 psi tensile load, offering secure fastening for demanding industrial applications.
• Wide Temperature Compatibility: O-ring functions effectively from -40°F to 225°F, ensuring performance stability across varied operating conditions.
• Precision Thread Fit: UNC coarse threads with Class 2A fit enable quick installation and reliable engagement in tapped holes.
• Flush Mounting Design: Undercut flat head allows countersunk seating for smooth surfaces, minimizing protrusion and improving safety.
• Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring environmental safety and suitability for global industrial markets.

Professional Applications & Engineering Value

This 6-32 UNC threaded flat head screw is engineered to address critical sealing challenges in industrial assemblies. The 18-8 stainless steel construction combined with a passivated finish resists oxidation and chemical exposure, prolonging service life in moisture-prone settings. The integrated Buna-N rubber O-ring creates a dependable seal against leaks in pneumatic, hydraulic, and fluid systems, supporting operations up to 1500 psi. Its coarse thread design and Class 2A fit facilitate rapid installation while maintaining vibration resistance, making it ideal for machinery, enclosures, and automotive components where reliability and regulatory adherence are paramount.

Specification Summary & Compliance

The screw features a 6-32 UNC coarse thread with Class 2A tolerance for precise fit, fully threaded for consistent holding power. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no restricted substances are used. Dimensions include a 3/4" length, 0.279" head diameter, and 100° countersink angle, manufactured to industrial standards for reliable performance in sealing applications.