S-91770A797 12-24 x 3/8" ASME B18.6.3 Stainless Steel Truss Head Phillips Screws
Stainless Steel Truss 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
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ensuring longevity in harsh industrial environments.
- High tensile strength of 70,000 psi and Rockwell B70 hardness for reliable performance under heavy loads and stress.
- Wide truss head design provides a larger bearing surface, reducing the risk of surface damage and improving load distribution.
- Coarse UNC threads with Class 2A fit enable quick and secure installation, minimizing cross-threading and assembly time.
- Phillips No. 3 drive offers efficient torque transfer and ease of use with standard tools, enhancing productivity.
- Fully threaded shank ensures consistent grip along the entire length, delivering uniform clamping force in various applications.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 12-24 UNC coarse thread rounded truss head screw in passivated 18-8 stainless steel addresses common challenges like corrosion, vibration loosening, and assembly efficiency. The wide truss head and fully threaded design distribute pressure evenly, preventing material deformation and ensuring stable fastening in machinery, electronics, and structural assemblies. With a coarse thread and Class 2A fit, it resists stripping and simplifies installation in high-volume production lines. Ideal for applications requiring high tensile strength and regulatory compliance, it reduces maintenance costs and enhances operational reliability in sectors such as automotive, aerospace, and construction.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and adheres to UNC coarse thread standards with a diameter of 0.216" and length of 3/8". Manufactured in compliance with ASME B18.6.3 specifications, it ensures dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial use.
