S-99795A137 Length 3" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated 410 stainless steel construction for long-lasting performance in demanding environments
• Exceptional holding power with 490 lbs pull-out strength and 850 lbs shear capacity for reliable anchoring in concrete applications
• Optimized for masonry materials with proven performance in 4,000 psi concrete, block, and brick
• Easy installation and removal with external hex drive design for secure tool engagement and reusable anchoring capability
• Precise installation guidance with recommended 5/16" drill bit size and 1½" minimum depth for optimal performance
• Heavy-duty thread design with 3/8" diameter and 2⅝" thread length for maximum grip in dense materials
• Versatile right-hand threading with blunt tip for controlled penetration and secure fastening

Professional Applications & Engineering Value

Engineered specifically for masonry and concrete applications, this heavy-duty tapping screw solves critical fastening challenges in construction and industrial settings. The zinc-plated 410 stainless steel composition provides essential corrosion resistance while maintaining structural integrity in harsh environments. The external hex drive design ensures maximum torque transfer during installation, preventing tool slippage and ensuring proper seating in block, brick, and concrete substrates. With verified performance in 4,000 psi concrete, this screw delivers reliable anchoring where vibration, load stress, and environmental factors compromise inferior fasteners. The combination of 490 lbs pull-out strength and 850 lbs shear capacity makes it ideal for structural applications requiring dependable, removable anchor solutions without sacrificing performance.

Specification Summary & Compliance

This 3/8" tapping screw features inch system measurements with precise thread dimensions (0.375" diameter, 2⅝" thread length) and right-hand threading. The external hex drive (9/16" head width, 3/8" head height) ensures compatibility with standard installation tools. Manufactured to meet industry standards for concrete anchors and tapping screws, it complies with relevant construction fastening specifications. The zinc-plated stainless steel construction meets corrosion resistance requirements for industrial applications, providing reliable performance in demanding masonry and concrete fastening scenarios.