S-99795A153 Length 5" Tapping Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated 410 stainless steel construction for long-term reliability in harsh environments
• Superior load-bearing capacity with 490 lbs pull-out and 850 lbs shear strength to withstand heavy structural demands
• Optimized installation efficiency featuring external hex drive for secure tool engagement and straightforward removal when needed
• Proven concrete performance tested in 4,000 psi concrete applications for verified reliability in block, brick, and concrete substrates
• Precision drilling compatibility with 5/16" drill bit size ensuring proper hole preparation and maximum anchoring effectiveness
• Full-length thread engagement with 3 5/8" thread length providing superior holding power across the entire fastener length
• Versatile application suitability with blunt tip design and right-hand threads for reliable performance across various masonry materials

Professional Applications & Engineering Value

Engineered for demanding construction and industrial applications, these 3/8" zinc-plated 410 stainless steel tapping screws deliver critical performance where structural integrity matters most. The combination of high-strength stainless steel and protective zinc plating ensures exceptional corrosion resistance in concrete, block, and brick applications exposed to moisture or environmental elements. The external hex drive design provides superior torque transmission during installation, while the removable anchor capability offers flexibility for temporary structures or future modifications. With verified performance in 4,000 psi concrete and substantial pull-out and shear strength ratings, these screws eliminate concerns about fastener failure in critical load-bearing applications, making them ideal for structural connections, machinery anchoring, and heavy-duty construction projects where reliability cannot be compromised.

Specification Summary & Compliance

This heavy-duty tapping screw features precise right-hand threads with standard inch measurements including 3/8" thread diameter and 3 5/8" thread length. Manufactured to industry standards for masonry and concrete applications, it requires a 5/16" drill bit (0.3125" diameter) and minimum 1 1/2" installation depth for optimal performance. The construction complies with standard industrial specifications for high-strength fasteners and has been rigorously tested in 4,000 psi concrete environments to validate performance claims. The zinc-plated 410 stainless steel composition meets standard corrosion resistance requirements for construction applications.