S-99795A130 Length 2 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Exceptional load-bearing capacity with 850 lbs shear and 490 lbs pull-out strength for reliable structural connections
• Optimized installation efficiency featuring external hex drive and 9/16" head for secure tool engagement and high-torque applications
• Enhanced concrete performance tested in 4,000 psi concrete with blunt tip design for maximum holding power in masonry materials
• Versatile application compatibility designed for block, brick, and concrete with right-hand thread for standard installation
• Precise installation guidance with specified 5/16" drill bit size ensuring proper hole preparation for optimal anchor performance
• Removable design flexibility allowing for maintenance and adjustments without compromising structural integrity

Professional Applications & Engineering Value

Engineered for heavy-duty concrete fastening, this zinc-plated steel tapping screw addresses critical challenges in masonry and construction applications. The external hex drive combined with a substantial 9/16" head provides superior torque transmission, preventing cam-out during installation in dense materials. With 2 1/4" thread length and blunt tip design, the screw maximizes thread engagement in concrete substrates, distributing stress evenly to achieve the published 850 lbs shear strength rating. This makes it ideal for structural connections in block, brick, and concrete where vibration resistance and long-term reliability are paramount. The combination of zinc plating and high-strength steel ensures durability in both indoor and outdoor environments, providing contractors with a dependable concrete anchor screw solution for demanding construction projects.

Specification Summary & Compliance

This 3/8" tapping screw features standard right-hand threads with inch system measurements. The product meets industry standards for concrete anchoring applications with specified installation parameters including 5/16" drill bit diameter and 1 1/2" minimum installation depth. Manufacturing complies with relevant industrial fastening specifications for tapping screws, ensuring consistent performance and dimensional accuracy across production batches.