S-91500A329 10-32 x 5/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction and passivated finish
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening in demanding applications
• Precise Class 2A thread fit provides smooth assembly and consistent clamping force
• 82° undercut flat head design allows for flush mounting and improved aesthetic finish
• Phillips No. 2 drive offers familiar, efficient installation with standard tools
• Full threading along 5/16" length maximizes grip and load distribution
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance

Professional Applications & Engineering Value

These 10-32 UNF flat head screws in 316 stainless steel deliver exceptional performance in corrosive or high-moisture industrial settings. The passivated finish enhances surface durability, while the Rockwell B80 hardness maintains thread integrity under vibration. The undercut flat head profile with 82° countersink angle ensures secure, flush seating in precision machinery, electronic enclosures, and marine equipment. Fully threaded design and fine thread spacing provide superior holding power in thin materials, making them ideal for applications requiring reliable, tamper-resistant fastening with ASME B18.6.3 compliance.

Specification Summary & Compliance

This flat head machine screw features 10-32 UNF fine threads with Class 2A thread fit for precise dimensional accuracy. Manufacturing conforms to ASME B18.6.3 specifications, ensuring consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety standards for industrial use.