S-90950A155 Length 2 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 410 Stainless Steel construction for long-lasting performance in demanding environments
• Exceptional holding power with 180 lbs shear and 155 lbs pull-out strength tested in 3000 psi concrete
• Clean, flush installation thanks to the standard 82° flat head profile and Phillips drive style
• Versatile application capability designed for concrete, brick, and block with right-hand thread for secure fastening
• Easy installation and removal with pointed tip design and compatibility with standard 5/32" drill bits
• Reliable anchoring performance as a removable tapping screw with minimum 1" installation depth requirement
• Optimized thread engagement with 2-1/8" thread length on 0.188" diameter for maximum grip in masonry materials

Professional Applications & Engineering Value

Engineered for demanding masonry and construction applications, these 410 Stainless Steel tapping screws deliver reliable performance where corrosion resistance and structural integrity matter most. The right-hand thread design combined with the pointed tip ensures easy penetration and superior holding power in concrete, brick, and block substrates. The Phillips flat head configuration provides a clean, flush finish while the standard 82° countersink angle allows for proper seating in prepared holes. These screws are specifically tested and proven in 3000 psi concrete, making them ideal for commercial construction, infrastructure projects, and industrial maintenance where vibration resistance and long-term reliability are critical requirements.

Specification Summary & Compliance

This 3/16" x 2-3/4" tapping screw features inch system measurements with 0.188" thread diameter and 2-1/8" thread length. The standard flat head profile with 82° countersink angle ensures proper installation alignment. Manufactured as a removable anchor type tapping screw with right-hand thread direction, it requires a 5/32" drill bit (0.1563" diameter) for installation with minimum 1" installation depth. The product meets industry standards for masonry fasteners and is suitable for use in various construction materials including concrete, brick, and block applications.