S-91249A151 6-32 x 5/8" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 18-8 Stainless Steel, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable fastening under significant mechanical stress and vibration.
• Excellent hardness (Rockwell B70) provides durability and resistance to wear, extending the screw's service life.
• Coarse UNC threading with Class 2A fit allows for quick, easy installation and secure holding in a variety of materials.
• Fully threaded design maximizes grip length and load distribution for stronger, more stable assemblies.
• Phillips pan head drive offers a standard, widely compatible driving option for efficient installation with common tools.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees product quality, safety, and environmental responsibility.

Professional Applications & Engineering Value

This Black-Oxide 18-8 Stainless Steel Phillips Pan Head Screw is engineered to address common industrial challenges such as corrosion, mechanical fatigue, and assembly efficiency. The Black-Oxide finish on 18-8 stainless steel enhances corrosion resistance, making it suitable for applications in moist or chemically aggressive environments, including outdoor equipment, electrical enclosures, and automotive components. The coarse UNC thread and Class 2A fit ensure quick, reliable fastening in metals and plastics, reducing installation time and minimizing cross-threading risks. With a rounded pan head and Phillips drive, it provides a low-profile, secure fit that is easy to install with standard tools, improving workflow in manufacturing, maintenance, and assembly lines. Its high tensile strength and hardness support long-term performance in high-stress applications, ensuring dependable fastening in machinery, construction, and electronic devices.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 2A thread fit and UNC coarse threading (6-32 size), ensuring compatibility and ease of use. It is manufactured in accordance with ASME B18.6.3 specifications for consistency and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial and consumer applications.