S-94705A615 1"-8 x 3 1/2" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications
Steel Heavy Hex Head Screws for High-Pressure Applications
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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 Tensile Strength: With a 125,000 psi tensile rating, this screw provides reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior Material Durability: Made from ASTM Grade B7 steel with Rockwell C35 hardness, it offers excellent resistance to wear and deformation under heavy loads.
- Optimized Thread Design: Coarse UNC threading with Class 2A fit ensures quick, secure installation and minimizes cross-threading in industrial settings.
- Versatile Fastening Solution: The partially threaded design with a 1 1/4" grip length allows for precise clamping force distribution in varied material thicknesses.
- Industry-Standard Compliance: Meets ASTM A193 specifications, guaranteeing consistent quality and reliability for critical engineering projects.
- Robust Hex Head Design: The 1 5/8" wide external hex drive facilitates easy tightening with standard tools, even in confined spaces.
- Corrosion-Resistant Base: Steel construction provides inherent strength and moderate corrosion resistance, extending service life in demanding environments.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade B7 steel hex head screw addresses common challenges in construction, machinery assembly, and structural fastening. The coarse UNC thread and Class 2A fit enable rapid installation while maintaining precise alignment, reducing assembly time and labor costs. With partial threading and a substantial grip length, it effectively distributes clamping force across joints, preventing loosening under vibration or dynamic loads. The high tensile strength and Rockwell C35 hardness ensure dependable performance in elevated temperature and high-pressure environments, making it ideal for ASTM A193 compliant projects requiring durable, long-lasting fasteners.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. It meets ASTM A193 specifications for high-temperature service and is manufactured from ASTM Grade B7 steel, ensuring compliance with industry requirements for strength and reliability in critical applications.
