S-92965A537 1/4"-20 x 1/2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 Steel 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
- Exceptional load-bearing capacity with 120,000 PSI tensile strength for secure, high-stress industrial applications
- Enhanced corrosion resistance provided by black oxide finish, extending service life in demanding environments
- Reliable coarse UNC threading ensures quick installation and superior vibration resistance in various materials
- Precision Class 2A thread fit guarantees consistent engagement and reduces cross-threading risks during assembly
- Optimized torque transmission through external hex drive design with 7/16" head width for efficient tool engagement
- Grade 5 certification delivers proven mechanical properties including Rockwell C25 hardness for repeated use
- Full threading along 1/2" length provides maximum grip and adjustment flexibility in assembly applications
Professional Applications & Engineering Value
Engineered for industrial machinery, equipment assembly, and structural frameworks, these Grade 5 hex head screws address critical fastening challenges where vibration resistance and tensile strength are paramount. The black oxide finish creates a protective barrier against oxidation and mild corrosion, significantly extending component lifespan in non-coastal industrial environments. The coarse UNC thread pattern combined with Class 2A tolerance ensures rapid installation while maintaining secure holding power in both metallic and non-metallic substrates. The external hex drive configuration with substantial head width provides superior torque transmission, reducing fastener damage during high-torque applications and enabling reliable maintenance cycles in manufacturing and heavy equipment sectors.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 and SAE J429 Grade 5 specifications with Class 2A thread fit ensuring dimensional accuracy. Compliant with RoHS 3 (2015/863/EU) environmental regulations. Features 1/4"-20 UNC coarse threads, 1/2" length, and fully threaded design meeting industrial fastening standards for consistent performance across applications.