S-90161A844 Length 1 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with blue protective coating, extending service life in harsh concrete and masonry environments.
• High-strength anchoring performance with 190 lbs pull-out and 225 lbs shear strength, providing reliable fastening in 3,000 psi concrete.
• Secure, cam-out resistant drive using the Torx system for precise installation and reduced tool slippage.
• Easy installation in concrete, brick, and block with a pointed tip and right-hand threads for quick, self-tapping anchoring.
• Optimized for flush mounting with a standard flat head and 82° countersink angle, creating a smooth, professional finish.
• Clear installation guidelines with a specified 3/16" drill bit and 1" minimum depth for consistent, secure embedment.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable industrial use.

Professional Applications & Engineering Value

These 1/4" Torx flat head tapping screws are engineered to solve common fastening challenges in concrete, brick, and block applications. The blue corrosion-resistant coated steel construction provides long-term durability against moisture and environmental wear, reducing maintenance needs. The pointed tip and right-hand threads enable easy self-tapping without pre-tapping, speeding up installation in dense materials. With a Torx drive, installers achieve higher torque transfer and reduced strip-out, ensuring a secure hold in high-vibration environments. Ideal for structural fixtures, machinery bases, and masonry facades, these screws deliver reliable performance where pull-out and shear strength are critical to project integrity.

Specification Summary & Compliance

This product features a 1/4" screw size with a thread length of 1-3/64" and is designed as a removable tapping screw anchor. It meets standard installation requirements using a 3/16" drill bit and achieves a minimum embedment depth of 1". The screws conform to typical industrial tolerances for thread form and head dimensions. Compliance is confirmed with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial components.