S-93516A137 5/16"-24 x 1" ASME B18.2.1 Bronze Hex Head Screws
Bronze Hex 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 from 651 Silicon Bronze material, ideal for marine and harsh industrial environments
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity
- Rockwell B70 hardness provides excellent durability and wear resistance under demanding conditions
- Fine UNF threads with Class 2A fit deliver precise, secure fastening with minimal vibration loosening
- Fully threaded design allows maximum grip length and uniform stress distribution
- External hex drive with 1/2" head width enables easy installation with standard tools
- Compliance with ASME B18.2.1 standards guarantees dimensional accuracy and interchangeability
Professional Applications & Engineering Value
These silicon bronze hex head screws solve critical corrosion challenges in marine equipment, chemical processing, and coastal infrastructure. The 651 silicon bronze composition provides inherent resistance to saltwater corrosion and stress corrosion cracking, while the UNF fine threads maintain clamping force in high-vibration applications. With 70,000 psi tensile strength and Rockwell B70 hardness, these external hex drive fasteners withstand extreme mechanical loads without galling or seizing. The fully threaded design ensures maximum engagement in both thin and thick materials, making them versatile for various industrial assembly requirements where reliability is paramount.
Specification Summary & Compliance
This 5/16"-24 UNF hex head screw features Class 2A thread fit for standard clearance applications, manufactured to ASME B18.2.1 dimensional specifications. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations regarding chemical safety. With precise 1" length and fine thread spacing, these screws deliver consistent performance in regulated industrial environments requiring documented material traceability and environmental compliance.
