S-90950A154 Length 2 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 410 Stainless Steel construction, ensuring long-term reliability in demanding environments
• Exceptional holding power with 155 lbs pull-out and 180 lbs shear strength tested in 3,000 psi concrete for secure, vibration-resistant installations
• Easy installation and removal thanks to the removable tapping screw design and pointed tip for quick starting in masonry materials
• Clean, flush finish with standard flat head profile and 82° countersink angle for professional-looking installations without protrusions
• Reliable driving performance with Phillips drive style providing common tool compatibility and reduced cam-out risk
• Versatile application range suitable for concrete, brick, and block with precise 5/32" drill bit compatibility for optimal anchor fit
• Optimized thread engagement with 2" thread length and right-hand threads ensuring maximum material contact and holding strength

Professional Applications & Engineering Value

These 3/16" tapping screws deliver exceptional engineering value for construction and masonry applications where reliable anchoring is critical. The 410 Stainless Steel composition provides excellent resistance to environmental factors that typically compromise fastener integrity in concrete, brick, and block substrates. The pointed tip design facilitates easy starting without pre-tapping, while the 2" thread length ensures deep, secure engagement in various masonry densities. These concrete anchors solve common installation challenges by combining the corrosion protection of stainless steel with the mechanical advantage of tapping screw technology, eliminating the need for separate anchors in many applications. The removable feature adds practical value for temporary installations or future modifications, making them ideal for both permanent and adjustable fastening requirements in commercial construction, infrastructure projects, and industrial maintenance.

Specification Summary & Compliance

These tapping screws feature precise dimensional specifications including 0.188" thread diameter, 2-1/4" overall length, and standard flat head profile with 82° countersink angle. The right-hand thread direction follows conventional fastening standards, while the Phillips drive style ensures compatibility with common installation tools. Manufacturing complies with industry standards for tapping screw anchors, with performance verified through testing in 3,000 psi concrete. The 410 Stainless Steel material composition meets corrosion resistance requirements for construction applications, and the product design incorporates proper clearance specifications with recommended 5/32" drill bit diameter for optimal installation performance in concrete, brick, and block substrates.