S-91205A146 6-32 x 3/8" ASME B18.3, ASTM A574 Alloy Steel Thread-Locking Socket Head Screws
Alloy Steel Thread-Locking Socket Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Permanent vibration resistance with nylon patch locking that maintains secure fastening in high-stress environments
- Superior corrosion protection from black-oxide coating, extending service life in industrial conditions
- Exceptional strength-to-weight ratio with alloy steel construction providing 170,000 psi tensile strength for demanding applications
- Precise thread engagement with Class 3A fit ensuring reliable performance in critical assemblies
- Wide temperature tolerance from -70° to 250°F for stable performance across diverse operating environments
- Optimized drive efficiency with 7/64" hex socket design allowing high torque application without stripping
- Full regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
These black-oxide alloy steel socket head cap screws with nylon patch locking technology solve critical vibration-induced loosening problems in machinery, automotive, and aerospace applications. The 6-32 UNC coarse thread design provides rapid installation while maintaining Class 3A thread fit precision for consistent clamping force. Engineered with 170,000 psi tensile strength and Rockwell C37 hardness, these fully threaded screws withstand extreme mechanical stresses while the permanent nylon patch ensures reliable fastening without requiring additional locking components. The hex drive socket configuration enables high-torque installation in confined spaces, making them ideal for precision equipment where vibration resistance and space constraints are critical concerns.
Specification Summary & Compliance
Manufactured to exact ASME B18.3 specifications with Class 3A thread fit tolerances for precision engagement. The 6-32 UNC coarse thread configuration ensures optimal performance in industrial fastening applications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, meeting global regulatory requirements. Material certification includes ASTM A574 specification compliance for consistent quality and performance reliability across production batches.
