S-90303A108 10-32 x 3/8" ASME B18.3, ASTM A574 Nylon-Tip Alloy Steel Socket Head Screws
Nylon-Tip Alloy Steel Socket Head 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
- Non-marring protection with nylon tip to prevent surface damage on sensitive components and finishes
- Exceptional tensile strength of 180,000 psi ensures reliable performance in high-stress industrial applications
- Precision Class 3A thread fit provides superior engagement and vibration resistance in fine-thread assemblies
- Temperature-resistant tip maintains performance across extreme conditions from -50° to 250°F
- Corrosion-resistant black-oxide finish on alloy steel enhances durability in demanding environments
- Standard hex drive compatibility with 5/32" drive size for efficient installation and removal
- Full regulatory compliance with ASME B18.3, RoHS 3, and REACH for global industrial acceptance
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw delivers critical engineering solutions where surface protection and precision fastening intersect. The 10-32 UNF fine thread configuration with Class 3A fit ensures optimal clamp load distribution and vibration resistance in machinery, automotive, and electronic enclosures. The non-marring nylon tip eliminates surface damage on delicate materials while the Rockwell C39 hardness and 180,000 psi tensile strength provide reliable performance in high-stress applications. Engineered for assembly lines requiring repeated adjustments, the combination of hex drive socket head and temperature-stable tip (-50° to 250°F) makes this fastener ideal for precision equipment maintenance and manufacturing operations demanding both strength and surface preservation.
Specification Summary & Compliance
This socket head cap screw features precision 10-32 UNF fine threads with Class 3A thread fit tolerance for superior engagement. Manufactured to ASME B18.3 specifications using ASTM A574 alloy steel with black-oxide surface treatment. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and global acceptance for industrial applications.
