S-99894A114 1/4"-20 x 1 1/4" MS90725-10 Mil. Spec. Medium-Strength Steel Hex Head Screws
Mil. Spec. Medium-Strength 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 reliable performance in demanding applications
- Superior corrosion resistance through cadmium plating, extending service life in harsh industrial environments
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster assembly and secure fastening
- Enhanced durability with Rockwell C25 hardness providing excellent resistance to wear and deformation
- Secure torque transmission through external hex drive design for easy installation with standard tools
- Versatile partial threading allowing for both clamping and alignment functions in various assembly scenarios
- Industry compliance assurance meeting MS90725-10 specifications for consistent quality and reliability
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where vibration resistance and structural integrity are paramount. The cadmium plated steel construction provides essential corrosion protection in manufacturing environments, while the UNC coarse threads with Class 2A fit ensure rapid installation and secure fastening in machinery, equipment frames, and structural assemblies. The partially threaded design offers precise clamping control, making these external hex drive fasteners ideal for applications requiring both alignment and tensile strength. With 120,000 psi tensile strength and proven MS90725-10 specification compliance, these screws provide reliable performance in automotive, construction, and industrial machinery sectors.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse threading (1/4"-20) and right-hand thread direction. Complies with MS90725-10 specifications and meets Grade 5 strength classification requirements. Features 1-1/4" length with 3/4" minimum thread length and Rockwell C25 hardness. The cadmium plated finish provides corrosion resistance while maintaining dimensional accuracy for consistent performance in industrial fastening applications.
