S-90086A614 6-32 x 1 1/4" ASME B18.6.3, SAE J933 Tapping Screws

Key Features & Benefits at a Glance

• Superior thread cutting performance in aluminum, brass, cast iron, and sheet metal without pre-tapped holes, reducing installation time and labor costs.
• Enhanced corrosion resistance with zinc-plated steel construction, ensuring long-term durability in various industrial environments.
• Optimized drive efficiency with a Phillips No. 2 drive and flat head design, providing secure engagement and a flush finish for streamlined assemblies.
• Reliable coarse UNC threading (6-32) offers excellent holding power and quick installation in softer materials, minimizing the risk of stripping.
• Full threading along the 1-1/4" length ensures maximum grip and uniform stress distribution for consistent, vibration-resistant fastening.
• Standard 82° countersink angle allows the flat head to sit flush with surfaces, preventing snagging and improving aesthetic and functional integrity.
• Compliance with ASME B18.6.3 and RoHS 3 guarantees consistent quality, safety, and environmental responsibility for professional use.

Professional Applications & Engineering Value

This zinc-plated steel tapping screw is engineered to address common challenges in metalworking and assembly, such as the need for strong, self-tapping fasteners that eliminate the requirement for pre-threaded holes. The Type F thread cutting design and coarse UNC 6-32 threading enable efficient installation in materials like aluminum, brass, cast iron, and sheet metal, reducing assembly time and tool wear. Its Phillips flat head and standard profile ensure a secure, flush fit, ideal for applications where protrusion is a concern. By combining durable materials with precise engineering, these screws deliver reliable performance in HVAC, automotive, and machinery assemblies, enhancing structural integrity and operational longevity.

Specification Summary & Compliance

This screw features a 6-32 UNC coarse thread with a diameter of 0.138" and full threading for consistent engagement. It adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and performance reliability. The product is RoHS 3 (2015/863/EU) Compliant, supporting environmental and safety standards. Designed for use with a No. 31 drill bit (0.12" diameter) and an 82° countersink angle, it meets industry requirements for thread cutting applications in various metals.