S-91205A353 10-32 x 1 3/4" ASME B18.3, ASTM A574 Alloy Steel Thread-Locking Socket Head Screws
Alloy Steel Thread-Locking Socket 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
- Permanent vibration resistance with nylon patch thread locker that maintains secure fastening in dynamic environments
- Exceptional temperature tolerance from -70° to 250°F for reliable performance in extreme operating conditions
- Superior strength-to-weight ratio with 170,000 psi tensile strength and Rockwell C37 hardness for heavy-duty applications
- Precise Class 3A thread fit ensures consistent engagement and reduces assembly issues in precision equipment
- Corrosion-resistant black-oxide finish on alloy steel provides enhanced durability in industrial environments
- Secure hex drive engagement with 5/32" drive size prevents stripping during high-torque installation
- Optimized partial threading allows for precise clamping force control in critical assemblies
Professional Applications & Engineering Value
These 10-32 UNF socket head cap screws with nylon patch locking technology solve critical vibration-induced loosening problems in industrial machinery, automotive systems, and precision equipment. The black-oxide alloy steel construction combined with fine thread configuration provides superior fatigue resistance where constant stress and thermal cycling occur. Engineering teams specify these partially threaded screws for applications requiring precise clamp load distribution, such as motor mounts, gearbox assemblies, and structural frameworks. The hex drive socket head design ensures reliable tool engagement during automated assembly processes, while the permanent locking feature eliminates the need for secondary retention methods, reducing assembly time and maintenance costs in high-vibration environments.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit for precision tolerance. These socket head cap screws comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 1-3/4" length with 7/8" minimum thread length provides optimal engagement characteristics, while the UNF fine thread pattern ensures superior load distribution in critical applications.
