S-91773A126 5-40 x 3/8" ASME B18.6.3 Stainless Steel Round Head Phillips Screws
Stainless Steel Round Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- High tensile strength of 100,000 PSI ensures reliable, long-lasting fastening under demanding mechanical loads.
- Precision Class 2A thread fit with UNC coarse threads for easy installation and secure, vibration-resistant connections.
- Fully threaded design provides maximum grip and uniform clamping force across the entire length.
- Rockwell B100 hardness offers excellent durability and resistance to wear and deformation.
- Phillips No. 2 drive allows for efficient, slip-resistant driving with standard tools, reducing assembly time.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global applications.
Professional Applications & Engineering Value
These 5-40 UNC coarse thread rounded head screws are engineered to solve critical fastening challenges in industrial settings. The 18-8 stainless steel material, combined with a passivated finish, provides superior resistance to rust and chemical exposure, making them ideal for machinery, electronics, and outdoor equipment. The coarse thread design ensures quick assembly and robust holding power in materials like metals and plastics, reducing the risk of cross-threading. With a rounded head and Phillips drive, they offer a flush fit and easy installation, minimizing protrusion and enhancing safety in compact assemblies. These screws deliver consistent performance in high-stress applications, from automotive to construction, where reliable fastening solutions are essential for operational integrity.
Specification Summary & Compliance
This screw features a 5-40 UNC coarse thread with Class 2A fit for precise dimensional accuracy and easy assembly. It adheres to ASME B18.6.3 manufacturing standards, ensuring consistent quality and interchangeability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it is free from hazardous substances, supporting safe and sustainable use in various industries.
