S-91440A624 6-32 x 1/4" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for reliable performance in industrial environments
• Superior holding power from fully threaded design and coarse UNC threads ensuring secure fastening in various materials
• High durability with Rockwell B70 hardness providing excellent resistance to wear and deformation
• Easy installation and removal with dual Phillips/Slotted drive compatibility for versatile tool access
• Precise thread fit with Class 2A tolerance enabling smooth assembly and reduced cross-threading risks
• Broad application compatibility due to ASME B18.6.3 compliance ensuring interchangeability and reliability
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These 6-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value by addressing common industrial fastening challenges. The coarse thread design and fully threaded configuration provide superior grip in soft materials and plastics, preventing stripping and ensuring long-term joint integrity. The zinc plating offers a protective barrier against oxidation and chemical exposure, making these screws ideal for electrical enclosures, machinery assemblies, and outdoor equipment where moisture resistance is critical. With Rockwell B70 hardness, they maintain structural stability under vibration and load, while the Phillips/Slotted drive allows for quick installation with standard tools, reducing assembly time and labor costs in high-volume production environments.

Specification Summary & Compliance

These screws feature precise Class 2A thread fit per UNC standards, ensuring consistent engagement and dimensional accuracy. Manufactured in accordance with ASME B18.6.3 specifications, they guarantee reliable performance and interchangeability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms their suitability for use in environmentally sensitive applications, providing assurance of material safety and regulatory adherence for industrial procurement.