S-97654A334 3/8"-16 x 1 1/4" Stainless Steel Flanged Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Superior load-bearing capability with 70,000 psi tensile strength and Rockwell B70 hardness for demanding industrial applications
• Precision thread engagement through Class 3A thread fit and UNC coarse threads ensuring reliable, vibration-resistant connections
• Enhanced installation efficiency with hex drive design and flanged construction eliminating the need for separate washers
• Optimized head design featuring a wide rounded button head for improved aesthetics and reduced surface protrusion
• Full threading capability providing maximum grip length and versatility across various material thicknesses
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for environmentally responsible manufacturing

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this flanged hex drive rounded head screw delivers exceptional performance where reliability matters most. The 18-8 stainless steel construction combined with passivated finish provides outstanding corrosion resistance in challenging environments including marine, chemical processing, and outdoor equipment. The Class 3A thread fit with UNC coarse threads ensures precise engagement and vibration resistance in machinery, structural assemblies, and automotive components. The integrated flange design distributes clamping force evenly while eliminating washer requirements, streamlining installation in high-volume manufacturing operations. With full threading along the entire 1-1/4" length, this fastener accommodates varying material thicknesses while maintaining consistent holding power.

Specification Summary & Compliance

This precision fastener maintains Class 3A thread fit tolerance with 3/8"-16 UNC coarse threads and right-hand threading orientation. Manufactured from 18-8 stainless steel with Rockwell B70 hardness and 70,000 psi tensile strength, it features a 0.813" flange diameter and 7/32" hex drive for secure installation. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries and applications.