S-99894A328 3/8"-16 x 1 3/4" MS90725-65 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 tensile strength of 120,000 PSI for reliable performance in demanding applications
- Superior corrosion resistance provided by cadmium plating, extending service life in harsh environments
- Precise Class 2A thread fit ensures smooth assembly and secure fastening connections
- Coarse UNC threading enables quick installation and reduced cross-threading risks
- Grade 5 steel construction delivers optimal balance of strength and durability for industrial use
- External hex drive design allows for high-torque application with standard tools
- Compliance with MS90725-65 specifications guarantees consistent quality and reliability
Professional Applications & Engineering Value
These Grade 5 steel hex head screws are engineered to address critical fastening challenges in industrial settings where vibration resistance and structural integrity are paramount. The cadmium plated finish provides essential protection against corrosion in manufacturing facilities, outdoor equipment, and machinery exposed to environmental elements. The 3/8"-16 UNC coarse threading combined with Class 2A thread fit ensures rapid assembly while maintaining precise tolerances, reducing installation time and labor costs. The partially threaded design offers optimal clamping force distribution, making these external hex drive fasteners ideal for heavy-duty applications requiring consistent performance under stress, including structural steel connections, industrial machinery, and equipment manufacturing where reliability cannot be compromised.
Specification Summary & Compliance
This inch system fastener features precise Class 2A thread fit with UNC coarse threading (3/8"-16) and meets MS90725-65 specifications. Manufactured from Grade 5 steel with Rockwell C25 hardness and 120,000 PSI tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
