S-90161A851 Length 2 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with blue protective coating to extend service life in harsh environments.
• High pull-out strength of 190 lbs and shear strength of 225 lbs ensures secure, reliable fastening in concrete and masonry.
• Torx drive design provides enhanced torque transfer and reduces cam-out for efficient installation.
• Pointed tip and right-hand threads allow for easy self-tapping into concrete, brick, and block without pre-tapping.
• Removable design offers flexibility for adjustments or disassembly without compromising material integrity.
• Tested in 3,000 psi concrete for proven performance in high-strength applications.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and material reliability.

Professional Applications & Engineering Value

These 1/4" x 2-1/4" blue corrosion-resistant Torx tapping screws are engineered to address common challenges in concrete, brick, and block installations. The blue corrosion-resistant coated steel construction prevents rust and degradation, ideal for outdoor or humid conditions. With a pointed tip and right-hand threads, they facilitate quick, secure anchoring without the need for inserts, reducing labor time and tool wear. The Torx drive minimizes slippage during installation, ensuring consistent torque application for reliable pull-out and shear strength in demanding structural applications like building frameworks, masonry walls, and infrastructure projects.

Specification Summary & Compliance

This product features a 1/4" thread diameter and 2-1/4" length with standard flat head and Torx drive for precise installation. It is designed for use with a 3/16" drill bit and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring adherence to environmental and safety regulations. The screws are tested in 3,000 psi concrete and support removable anchoring with a minimum installation depth of 1".