S-90950A910 Length 3 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 410 stainless steel construction for long-lasting performance in demanding environments
• Superior holding power with 225 lbs shear strength and 190 lbs pull-out resistance tested in 3,000 psi concrete
• Easy installation and removal featuring external hex drive and removable design for efficient maintenance
• Optimized thread engagement with 2 1/8" thread length and pointed tip for secure fastening in masonry materials
• Versatile application compatibility designed specifically for block, brick, and concrete substrates
• Precise installation guidance with recommended 3/16" drill bit size for proper anchor performance
• Reliable structural connection meeting industry standards for concrete anchoring applications

Professional Applications & Engineering Value

Engineered for masonry and concrete applications, these 410 stainless steel tapping screws provide critical solutions for construction and industrial fastening challenges. The right-hand thread design with pointed tip ensures smooth penetration and secure thread formation in dense materials, eliminating the need for separate anchors. The external hex drive allows for high-torque installation, while the removable feature offers maintenance flexibility without compromising structural integrity. These concrete screws deliver reliable performance in block, brick, and concrete substrates, making them ideal for HVAC installations, structural framing, and industrial equipment mounting where vibration resistance and long-term durability are essential.

Specification Summary & Compliance

This 1/4" tapping screw features inch system measurements with 3 3/4" overall length and 2 1/8" thread length. The hex head design provides secure drive engagement, while the 0.25" thread diameter ensures proper load distribution. Manufactured to industry standards for concrete anchoring applications, these screws are tested in 3,000 psi concrete and comply with relevant construction fastening specifications. The product meets quality standards for masonry screw applications and is suitable for use in various building materials where reliable mechanical anchoring is required.