S-99795A150 Length 4" Tapping Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated 410 stainless steel construction for long-lasting performance in harsh environments
• Superior holding power with 490 lbs pull-out and 850 lbs shear strength for reliable anchoring in demanding applications
• Optimized for concrete installations with proven performance in 4,000 psi concrete for maximum structural integrity
• Easy installation and removal featuring external hex drive and removable design for efficient maintenance and adjustments
• Versatile material compatibility designed for use in block, brick, and concrete with precise 5/16" drill bit requirements
• Right-hand thread design ensures secure fastening and consistent performance in masonry applications
• Precision dimensional accuracy with 3/8" thread diameter and 4" length for perfect fit in standard concrete installations

Professional Applications & Engineering Value

This heavy-duty 3/8" tapping screw delivers exceptional engineering value for construction professionals working with concrete, block, and brick materials. The zinc-plated 410 stainless steel construction provides superior corrosion resistance, extending service life in demanding environments where moisture and environmental factors typically compromise fastener integrity. The external hex drive design enables high-torque installation without stripping, while the right-hand thread configuration ensures secure engagement in masonry substrates. With testing validation in 4,000 psi concrete, this concrete anchor screw addresses critical structural requirements for commercial construction, infrastructure projects, and industrial applications where pull-out and shear strength directly impact safety and longevity. The removable anchor feature adds practical value for temporary installations and maintenance scenarios.

Specification Summary & Compliance

This tapping screw features precision inch-system dimensions including 3/8" thread diameter, 4" overall length, and 3 5/8" thread length with Class 2A thread tolerances. The external hex drive configuration (9/16" head width, 3/8" head height) ensures compatibility with standard installation tools. Manufactured to meet industry standards for masonry screws and concrete anchors, this fastener is engineered for optimal performance with specified 5/16" drill bit requirements and 1 1/2" minimum installation depth. The product complies with relevant industrial fastening specifications and is suitable for applications requiring reliable performance in concrete substrates up to 4,000 psi compressive strength.