S-91249A259 10-32 x 5/16" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coated 18-8 stainless steel, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding loads
• Precise Class 2A thread fit guarantees smooth installation and secure connections in fine-thread applications
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Fully threaded design offers maximum grip and uniform stress distribution along the entire length
• Phillips drive with No. 2 size enables efficient, slip-resistant installation using common tools
• Compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality, safety, and environmental standards are met

Professional Applications & Engineering Value

These 10-32 UNF pan head screws in black-oxide 18-8 stainless steel are engineered to address critical challenges in industrial assembly, such as corrosion in humid or chemical-exposed settings. The fine UNF thread and Class 2A fit provide superior vibration resistance and precise alignment in machinery, electronics, and automotive components. With a rounded pan head and Phillips drive, they facilitate quick, secure installations while minimizing surface damage. Ideal for applications requiring high-strength, corrosion-resistant fasteners, these screws enhance reliability in OEM manufacturing, maintenance, and repair operations, reducing downtime and replacement costs.

Specification Summary & Compliance

This screw features a 10-32 UNF thread with Class 2A tolerance for precise fit, fully threaded design, and dimensions including a 5/16" length and 0.373" head diameter. It meets ASME B18.6.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards.