S-90988A078 8-32 x 1" FF-S-92, MS51957-49 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and vibration
- Fully threaded design provides maximum grip and uniform clamping force across the entire length
- Class 2A thread fit with UNC coarse threading offers easier assembly and reduced cross-threading risks
- Pan head with Phillips No. 2 drive delivers secure, flush installation and common tool compatibility
- Compliance with Fed. Spec. FF-S-92 (MS51957-49) guarantees consistent quality and interchangeability
- RoHS 3 and REACH environmental compliance ensures safe usage in regulated industries worldwide
Professional Applications & Engineering Value
These 8-32 UNC coarse thread screws with Black-Oxide 18-8 Stainless Steel construction address critical engineering challenges in industrial assembly. The rounded pan head profile and Phillips drive facilitate quick installation while maintaining a low-profile finish, preventing snagging in machinery and equipment. The fully threaded design ensures maximum thread engagement in thin materials and blind holes, while the coarse UNC threading provides superior resistance to vibration loosening in automotive, electronics, and heavy machinery applications. The black-oxide surface treatment enhances corrosion protection without compromising dimensional accuracy, making these screws ideal for outdoor enclosures, marine components, and chemical processing equipment where durability and regulatory compliance are paramount.
Specification Summary & Compliance
This screw features precision UNC coarse threads with Class 2A tolerance, ensuring consistent fit and interchangeability. Manufacturing complies with Fed. Spec. FF-S-92 (MS51957-49) for dimensional and material consistency. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant regarding hazardous substances, meeting international environmental and safety standards for industrial components.
