S-92327A118 3/4"-10 x 2 1/2" ASME B18.2.1, SAE J429 Square Head Screws
Square 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 zinc yellow-chromate plating that protects against harsh industrial environments
- High tensile strength of 120,000 PSI ensures reliable performance in demanding applications
- SAE Grade 5 certification guarantees consistent quality and medium strength rating for industrial use
- Class 3A thread fit provides precise engagement and vibration resistance in assembled components
- External square drive design enables secure tool engagement and high torque application
- Partially threaded configuration allows for optimal clamping force distribution
- Rockwell C25 hardness maintains structural integrity under repeated stress and load conditions
Professional Applications & Engineering Value
This 3/4"-10 UNC Square Head Screw delivers exceptional engineering value for heavy-duty industrial applications where reliability is paramount. The SAE Grade 5 steel construction combined with zinc yellow-chromate plating addresses critical corrosion concerns in manufacturing, construction, and machinery assembly environments. The coarse thread design provides superior holding power in various materials, while the external square drive ensures maximum torque transfer without cam-out issues. This partially threaded fastener is engineered to maintain clamping force in dynamic load conditions, making it ideal for structural connections, equipment mounting, and mechanical systems requiring high tensile strength and long-term durability.
Specification Summary & Compliance
This square head screw features Unified Standard Class 3A thread fit with 3/4"-10 UNC coarse threading and right-hand thread direction. The fastener maintains dimensional accuracy per ASME B18.2.1 specifications and meets SAE J429 standards for Grade 5 mechanical properties. With a length of 2 1/2" and minimum thread length of 1 3/4", this screw delivers precise engineering compliance for industrial applications requiring certified performance and reliability.
