S-90161A512 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with blue protective coating, extending service life in harsh environments
• High pull-out strength (150 lbs) ensures secure anchoring in concrete, brick, and block materials
• Exceptional shear resistance (180 lbs) provides reliable structural stability under lateral loads
• External hex/slotted drive design allows for high-torque installation with standard tools
• Precision pointed tip facilitates easy starting and reduces installation effort
• Removable design enables adjustments and maintenance without compromising performance
• Optimized for 3,000 psi concrete with compatible 5/32" drill bit for perfect hole matching

Professional Applications & Engineering Value

Engineered for demanding concrete, brick, and block applications, these blue corrosion-resistant steel tapping screws solve critical fastening challenges in construction and industrial settings. The external hex/slotted drive provides superior torque transmission during installation, while the pointed tip ensures precise alignment and reduces the risk of material cracking. With 150 lbs pull-out strength and 180 lbs shear resistance tested in 3,000 psi concrete, these heavy-duty concrete fasteners deliver reliable performance in structural anchoring, masonry work, and infrastructure projects where vibration resistance and long-term durability are essential.

Specification Summary & Compliance

This 3/16" x 1-1/4" tapping screw features right-hand threads with standard inch measurements, manufactured from blue corrosion-resistant coated steel. The fastener meets industry standards for concrete anchor screws with precise dimensional tolerances, requiring a 5/32" drill bit (0.1563" diameter) and minimum 1" installation depth. Compliant with relevant industrial fastening specifications for masonry and concrete applications, ensuring reliable performance in professional construction environments.