S-90550A340 6-32 x 5/8" ASME B18.3, ASTM F879, MIL-DTL-18240 Venting Stainless Steel Hex-Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Precise Class 3A thread fit ensures reliable engagement and vibration resistance in critical assemblies
• Vented design with 0.038" diameter prevents pressure buildup and allows for cleaner installations
• 82° countersink angle and standard flat head profile provide flush seating for a smooth, professional finish
• 5/64" hex drive delivers secure tool engagement and reduces stripping during high-torque applications
• Fully threaded coarse (UNC) design offers faster installation and superior holding power in various materials
• Compliance with major industrial standards including ASME B18.3, ASTM F879, and MIL-DTL-18240 ensures consistent quality

Professional Applications & Engineering Value

This 6-32 UNC Flat Head Screw delivers exceptional engineering value in demanding industrial applications where corrosion resistance and precise fit are critical. The 18-8 Stainless Steel material provides excellent durability against moisture and chemicals, while the Class 3A thread fit ensures tight tolerances for vibration-prone environments. The vented design solves common pressure buildup issues during installation, particularly in sealed assemblies or when used with adhesives. The 82° countersink angle and standard flat head profile create seamless flush mounting in machinery, electronic enclosures, and precision equipment. With coarse thread spacing and full threading, these screws offer rapid installation and superior pull-out strength in metal, plastic, and composite materials commonly found in aerospace, automotive, and industrial manufacturing applications.

Specification Summary & Compliance

This 6-32 UNC Flat Head Screw features precise Class 3A thread fit with coarse thread spacing and full threading along the 5/8" length. Manufacturing complies with ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications, ensuring consistent dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications with strict material restrictions.