S-90161A725 Length 1 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with blue acrylic coating that protects against environmental elements in demanding concrete, brick, and block applications
• Enhanced installation efficiency through Torx drive design providing superior torque transfer and reduced cam-out during high-torque fastening
• Exceptional holding power with 150 lbs pull-out strength and 180 lbs shear strength tested in 3,000 psi concrete for reliable structural connections
• Optimized concrete penetration featuring pointed tip design and 82° countersink angle for flush mounting and reduced installation stress
• Precise installation compatibility with standardized 5/32" drill bit requirement ensuring proper hole preparation and maximum anchor performance
• Removable design advantage allowing for maintenance access and component replacement without compromising structural integrity
• Professional finish integration with standard flat head profile that sits flush with mounted surfaces for clean, finished appearances

Professional Applications & Engineering Value

These blue acrylic coated steel tapping screws deliver exceptional engineering value in commercial construction and industrial fastening applications. The specialized Torx drive system eliminates common installation frustrations by preventing driver slippage, while the pointed tip design ensures precise penetration into concrete, brick, and block substrates. The acrylic coating provides superior corrosion protection in challenging environments, extending service life in both interior and exterior applications. With tested performance in 3,000 psi concrete, these screws offer reliable anchoring solutions for HVAC installations, electrical conduit mounting, and structural framing where vibration resistance and long-term durability are critical. The combination of right-hand threading and optimized thread geometry creates secure mechanical bonds that withstand dynamic loads and environmental stresses.

Specification Summary & Compliance

These 3/16" tapping screws feature precision right-hand threads with standard thread tolerances and are manufactured to industry specifications for concrete anchoring applications. The 1 3/4" length with 1 19/32" thread length provides optimal engagement depth, while the 0.188" thread diameter ensures proper load distribution. Installation requires 5/32" drill bit (0.1563" diameter) with 82° countersink angle compatibility for professional flush mounting. The screws meet performance standards for concrete anchoring systems and are suitable for use in various masonry materials. Manufacturing complies with industry standards for steel fasteners and includes quality controls to ensure consistent performance in demanding applications.