S-90950A153 Length 1 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 410 stainless steel construction, ensuring long-term reliability in demanding environments.
• High load-bearing capacity with 180 lbs shear and 155 lbs pull-out strength, tested in 3,000 psi concrete for dependable performance.
• Easy installation and removal thanks to the removable tapping screw design and right-hand thread direction.
• Optimal flush mounting with a standard flat head profile and 82° countersink angle for a clean, professional finish.
• Enhanced grip in masonry due to the 1-1/2" thread length and pointed tip, providing secure fastening in concrete, brick, and block.
• Convenient driving with a Phillips drive style, allowing for efficient installation using common tools.
• Precision compatibility with a 5/32" drill bit size, ensuring accurate hole preparation for maximum holding power.

Professional Applications & Engineering Value

Engineered for heavy-duty masonry and concrete applications, these 410 stainless steel tapping screws deliver exceptional durability and strength where it matters most. The pointed tip and 1-1/2" thread length enable quick, secure penetration into concrete, brick, and block, reducing installation time and minimizing material stress. With a flat head profile and 82° countersink angle, they sit flush against surfaces, preventing snags and maintaining structural integrity. The Phillips drive ensures straightforward installation with standard tools, while the removable design allows for adjustments without compromising performance. Ideal for construction and industrial projects, these screws solve common challenges like vibration loosening and environmental exposure, offering a reliable high-strength fastener solution that stands up to rigorous use.

Specification Summary & Compliance

This 3/16" x 1-3/4" tapping screw features precise dimensions, including a 0.188" thread diameter and 1-1/2" thread length, adhering to standard inch system tolerances for consistent performance. It complies with industry practices for tapping screws, with a right-hand thread direction and pointed tip optimized for masonry materials. The product is designed for use with a 5/32" drill bit and meets functional requirements for 3,000 psi concrete testing, ensuring reliability in various construction scenarios. While specific certifications like RoHS or ASME are not detailed, the 410 stainless steel material and manufacturing focus on durability align with common industry standards for high-strength fasteners in concrete and masonry applications.