S-90161A827 Length 2 1/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with blue acrylic coating that protects against moisture and extends service life in harsh concrete environments
• Enhanced installation control through Torx drive design that prevents cam-out and allows for higher torque application
• Exceptional holding power with 150 lbs pull-out strength and 180 lbs shear strength tested in 3,000 psi concrete
• Optimal thread engagement with 1 5/8" thread length providing maximum grip in concrete, brick, and block materials
• Clean flush finishing thanks to standard flat head profile with 82° countersink angle for professional-looking installations
• Easy drilling alignment with pointed tip design that ensures precise starting position and reduces installation time
• Reliable performance in demanding applications with right-hand thread direction and removable capability for maintenance flexibility

Professional Applications & Engineering Value

These blue acrylic coated steel tapping screws deliver exceptional performance in concrete, brick, and block applications where durability and reliability are paramount. The Torx drive system eliminates stripping during installation, while the 1 5/8" thread length ensures maximum material engagement for superior holding power. Engineered specifically for 3,000 psi concrete environments, these screws solve common industrial challenges including vibration resistance, moisture exposure, and high-stress conditions. The pointed tip design facilitates accurate placement without pre-drilling complications, making them ideal for construction, infrastructure, and commercial projects requiring heavy-duty fastening solutions in masonry substrates.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 3/16" screw size and 2 1/4" overall length, these tapping screws feature standard right-hand threads and 82° countersink angle compatibility. The blue acrylic coated steel construction meets industry requirements for corrosion protection, while mechanical properties including 150 lbs pull-out strength and 180 lbs shear strength ensure reliable performance. Installation requires 5/32" drill bit (0.1563" diameter) with 1" minimum installation depth. These fasteners are designed to meet industrial standards for concrete anchor applications and comply with relevant material safety regulations.