S-90161A673 Length 3 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with silver-coated steel construction for extended service life in harsh environments.
• High-strength anchoring with 165 lbs pull-out and 195 lbs shear capacity ensures reliable, heavy-duty fastening in concrete, block, and brick.
• Easy installation and removal thanks to the external hex drive and removable design, saving time on job sites.
• Optimized for tough materials, tested and proven in 3,000 psi concrete for dependable performance.
• Simplified drilling process with compatibility for a standard 1/4" drill bit, reducing tooling requirements.
• Secure threaded engagement with a pointed tip and right-hand thread for quick, stable insertion into masonry.
• Versatile application range suitable for various construction and industrial anchoring needs.

Professional Applications & Engineering Value

Engineered for demanding construction environments, this 5/16" x 2" silver corrosion-resistant tapping screw addresses common challenges in masonry fastening. The coated steel material and external hex head provide excellent durability and ease of use, preventing rust and enabling high-torque installation without stripping. Its pointed tip and right-hand threads facilitate quick penetration and strong holding power in concrete, block, and brick, reducing installation time and labor costs. Ideal for structural anchoring, HVAC installations, and facade supports, this screw ensures long-term reliability even under dynamic loads and environmental exposure, making it a top choice for contractors and engineers seeking efficient, removable concrete anchor solutions.

Specification Summary & Compliance

This tapping screw features a 5/16" diameter and 2" thread length with a right-hand thread direction, designed for standard inch measurements. It meets typical industry tolerances for masonry anchors and is manufactured for use with a 1/4" drill bit and minimum 1" installation depth. The product is compliant with relevant industrial standards for steel fasteners and is suitable for applications requiring reliable performance in tested 3,000 psi concrete conditions, ensuring consistent quality and safety in construction projects.