S-90988A071 8-32 x 1/4" FF-S-92, MS51957-41 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 coated 18-8 stainless steel, 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 stress distribution along the entire length
- Class 2A thread fit with UNC coarse threading enables quick assembly and reduces cross-threading risks
- Phillips drive with No. 2 size offers secure tool engagement and efficient installation
- Rounded pan head profile combines low-profile aesthetics with excellent bearing surface
- Compliance with major regulations including RoHS 3 and REACH for global market acceptance
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 fastening. The combination of 80,000 PSI tensile strength and fully threaded design ensures superior load distribution, preventing joint failure in high-vibration applications like machinery assembly, electrical enclosures, and automotive components. The Phillips drive system provides reliable torque transmission while the rounded pan head offers a clean appearance with sufficient bearing surface. The black-oxide surface treatment enhances corrosion resistance beyond standard stainless steel, making these industrial screws ideal for environments exposed to moisture, chemicals, or temperature variations while maintaining consistent performance.
Specification Summary & Compliance
This 8-32 UNC coarse thread screw features precise Class 2A thread fit tolerances with right-hand threading and standardized dimensions including 1/4" length and 0.322" head diameter. Manufacturing complies with Fed. Spec. FF-S-92 (MS51957-41) requirements, ensuring consistent quality and interchangeability. The product is verified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety standards for industrial components.
