S-94077A418 5/8"-11 x 4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with ultra-corrosion-resistant coated steel construction, extending service life in harsh industrial environments
• Enhanced load distribution through the 1.29" flange diameter, preventing material pull-through in steel and sheet metal applications
• High-torque installation capability with external hex drive and hex head design for secure fastening in demanding conditions
• Reliable thread forming performance with UNC coarse threads and five-lobe shank design creating strong, vibration-resistant connections
• Optimized partial threading allowing for precise clamping force control while minimizing installation effort
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Simplified installation process with compatible 37/64" drill bit size recommendation for efficient field operations

Professional Applications & Engineering Value

Engineered for demanding steel and sheet metal applications, these 5/8"-11 UNC thread forming tapping screws address critical industrial fastening challenges. The ultra-corrosion-resistant coated steel construction provides exceptional protection against environmental degradation, significantly reducing maintenance costs and downtime. The flanged hex head design combined with partial threading ensures optimal load distribution while preventing material deformation in thin-section assemblies. The five-lobe shank cross-section and coarse UNC threads create permanent, vibration-resistant connections without requiring pre-tapped holes, streamlining installation processes in structural steel frameworks, industrial machinery, and heavy-duty sheet metal enclosures where reliability is paramount.

Specification Summary & Compliance

This flanged hex head tapping screw features 5/8"-11 UNC coarse threads with standard thread tolerances, 4" length with minimum 2-1/2" thread engagement, and 0.625" thread diameter. Manufactured from ultra-corrosion-resistant coated steel with external hex drive and five-lobe shank for thread forming applications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and industrial safety standards.