S-91271A623 3/8"-16 x 7/8" IFI 115 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 170,000 psi tensile strength for reliable performance in high-stress applications
• Precision threading with Class 3A fit ensures superior engagement and vibration resistance in critical assemblies
• Integrated flange design eliminates the need for separate washers while providing superior load distribution
• Alloy steel construction with Rockwell C37 hardness delivers outstanding wear resistance and long-term durability
• External 12-point drive system enables high-torque installation with standard industrial tools
• Full threading along the 7/8" length provides maximum grip and holding power throughout the fastener
• Comprehensive regulatory compliance meets IFI 115 specifications and environmental standards for global industrial use

Professional Applications & Engineering Value

This 3/8"-16 UNC 12-point flanged screw delivers critical engineering solutions for heavy machinery, structural assemblies, and high-vibration environments. The alloy steel construction combined with Class 3A thread precision addresses common failure points in industrial applications by providing superior resistance to loosening under dynamic loads. The integrated flange design eliminates washer migration while distributing clamp load more effectively than standard fasteners. With coarse UNC threading and fully threaded shank, this fastener ensures rapid installation and maximum engagement in demanding applications where reliability cannot be compromised. The external 12-point drive accommodates high-torque installation tools common in manufacturing and maintenance operations.

Specification Summary & Compliance

This high-performance fastener features 3/8"-16 UNC coarse threads with Class 3A thread fit for precision engagement. The 7/8" length and 9/16" flange diameter provide optimal dimensional characteristics for industrial applications. Manufactured to IFI 115 specifications with Rockwell C37 hardness and 170,000 psi tensile strength, this screw meets rigorous performance standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets.