S-90303A065 8-32 x 1/2" ASME B18.3, ASTM A574 Nylon-Tip Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Surface Protection: Non-marring nylon tip prevents damage to sensitive materials during installation and use
• Exceptional Strength: 180,000 psi tensile strength ensures reliable performance in demanding applications
• Precision Threading: Class 3A thread fit provides superior engagement and vibration resistance
• Durable Construction: Black-oxide coated alloy steel offers corrosion resistance and extended service life
• Temperature Resilience: Nylon tip maintains integrity across -50° to 250°F operating range
• Secure Installation: Hex socket drive (9/64") enables high-torque application without slippage
• Industry Compliance: Meets ASME B18.3 and ASTM A574 specifications for guaranteed quality

Professional Applications & Engineering Value

This black-oxide alloy steel socket head cap screw with 8-32 UNC coarse thread addresses critical challenges in precision assembly applications. The non-marring nylon tip eliminates surface damage concerns when fastening against delicate materials or finished surfaces, while the Rockwell C39 hardness and 180,000 psi tensile strength ensure reliable performance in high-stress environments. The fully threaded design with Class 3A thread fit provides maximum engagement strength and vibration resistance, making it ideal for machinery, electronics, and automotive applications where precision fastening and surface protection are paramount. The hex socket drive allows for flush installation in confined spaces while accommodating high torque requirements.

Specification Summary & Compliance

This socket head cap screw features precision 8-32 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufactured to ASME B18.3 specifications using ASTM A574 alloy steel material. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications worldwide.