S-98070A176 10-32 x 1" Sealing Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Reliable Sealing Performance: Integrated Buna-N rubber O-ring provides leak-proof sealing up to 1500 psi, ideal for pressurized systems.
• Superior Corrosion Resistance: 18-8 stainless steel construction with passivated finish ensures long-term durability in harsh environments.
• Precision Thread Fit: Class 2A thread tolerance guarantees secure, vibration-resistant fastening in UNF fine-thread applications.
• Optimized Head Design: Undercut flat head with 100° countersink angle enables flush mounting and reduced risk of component damage.
• Wide Temperature Compatibility: O-ring maintains integrity across -40° to 225° F, suitable for thermal cycling applications.
• High Tensile Strength: 70,000 psi rating ensures structural reliability under mechanical stress.
• Regulatory Compliance: Meets RoHS 3 and REACH standards for safe use in regulated industries.

Professional Applications & Engineering Value

Engineered for critical sealing applications, these 10-32 UNF flat head screws solve common industrial challenges like fluid leakage and corrosion-induced failure. The 18-8 stainless steel material combined with a passivated finish provides exceptional resistance to chemicals and moisture, while the Buna-N rubber O-ring creates a dependable seal in hydraulic systems, pneumatic controls, and machinery enclosures. The undercut flat head design ensures a flush surface finish, preventing snagging and allowing smooth operation in tight spaces. With fine thread spacing and full threading, these screws deliver uniform clamping force and are ideal for precision assemblies in automotive, aerospace, and electronic equipment manufacturing where pressure integrity and regulatory compliance are paramount.

Specification Summary & Compliance

This screw features Class 2A thread fit per UNF standards with a diameter of 0.19" and fine thread spacing, ensuring precise engagement. Manufacturing adheres to dimensional specifications including a 1" length, 0.385" head diameter, and 100° countersink angle. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications.