S-93310A324 2-56 x 3/8" ASME B18.3, ASTM F879, MIL-DTL-18240 Thread-Locking Stainless Steel Button Head Hex-Drive Screws
Thread-Locking Stainless Steel Button Head Hex-Drive 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
- Vibration-resistant performance with permanent nylon patch locking that maintains secure fastening in demanding applications
- Superior corrosion resistance from 18-8 stainless steel construction for extended service life in harsh environments
- High-strength reliability with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Secure installation through hex drive design that prevents cam-out and ensures proper torque application
- Wide temperature compatibility with nylon patch effective from -70° to 250°F for diverse operating conditions
- Precision threading with Class 3A UNC coarse threads ensuring consistent engagement and reduced cross-threading risk
- Rounded head design providing smooth finished appearance while minimizing snagging hazards
Professional Applications & Engineering Value
Engineered for critical industrial applications where vibration resistance and reliability are paramount, these nylon patch locking screws solve common fastening failures in machinery, electronics, and aerospace assemblies. The 18-8 stainless steel construction delivers exceptional corrosion resistance while maintaining 70,000 psi tensile strength under stress. The Class 3A UNC coarse threads provide superior engagement in various materials, and the hex drive ensures secure installation without stripping. The permanent nylon patch locking technology eliminates the need for additional locking hardware, streamlining assembly processes while maintaining integrity across temperature extremes from -70° to 250°F.
Specification Summary & Compliance
This 2-56 x 3/8" screw features precision Class 3A thread fit with UNC coarse threading and right-hand direction. Manufacturing complies with ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial use.
