S-97595A591 5/8"-11 x 2 1/2" ASME B18.3 Brass Hex Drive Flat Head Screws
Brass Hex Drive Flat Head 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 brass construction for long-lasting performance in harsh industrial environments
- Exceptional tensile strength rated at 50,000 psi ensures reliable fastening under heavy loads
- Precision Class 3A thread fit provides secure, vibration-resistant connections with minimal play
- Optimized hex drive design with 3/8" drive size enables high-torque installation without stripping
- 82° countersink angle allows for flush mounting in standard countersunk applications
- Partially threaded configuration combines gripping power with clearance flexibility
- Full regulatory compliance with ASME B18.3, RoHS 3, and REACH ensures safety and environmental standards
Professional Applications & Engineering Value
This brass flat head hex screw delivers critical advantages for industrial applications where corrosion resistance and mechanical strength are paramount. The 5/8"-11 UNC coarse threading with Class 3A fit provides superior engagement in soft materials and rapid installation in production environments. The Rockwell B55 hardness rating ensures excellent wear resistance while maintaining the machinability benefits of brass. The partially threaded design allows for precise clamping force control, making it ideal for machinery assembly, electrical enclosures, and marine equipment where vibration resistance and environmental durability are essential. The 82° countersink angle ensures seamless flush mounting in standardized applications.
Specification Summary & Compliance
Manufactured to exacting ASME B18.3 specifications with Class 3A thread fit tolerances for precision fastening. Features 5/8"-11 UNC coarse threads with minimum 1-1/2" thread length and 2-1/2" overall length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The Rockwell B55 hardness and 50,000 psi tensile strength meet rigorous mechanical performance requirements for demanding applications.
