S-91205A192 8-32 x 3/8" 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
- Secure vibration-resistant locking with nylon patch thread locker that maintains performance across a wide temperature range from -70° to 250°F
- Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress industrial applications
- Precise Class 3A thread fit provides superior engagement and consistent clamping force in demanding environments
- Enhanced corrosion resistance through black-oxide coating on alloy steel for extended service life
- Superior wear resistance with Rockwell C37 hardness rating for durability in repetitive assembly operations
- Optimized drive efficiency with hex socket design allowing high torque application and space-constrained installations
- Full thread engagement along the entire 3/8" length for maximum holding power and distribution of load
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 8-32 UNC thread socket head cap screws address critical fastening challenges in machinery, automotive, and equipment manufacturing. The black-oxide alloy steel construction combined with Class 3A thread fit ensures precise alignment and reliable performance in high-vibration environments. The integrated nylon patch thread locker provides permanent resistance to loosening under dynamic loads, eliminating the need for secondary locking mechanisms. With coarse thread spacing and fully threaded design, these fasteners deliver rapid assembly and maximum thread engagement, making them ideal for critical joints where 170,000 psi tensile strength and consistent clamping force are essential for operational safety and longevity.
Specification Summary & Compliance
These socket head cap screws feature 8-32 UNC coarse threads with Class 3A precision fit and right-hand thread direction. Manufactured to ASME B18.3 specifications using ASTM A574 alloy steel material. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The nylon patch thread locker maintains integrity across the specified temperature range while the hex drive socket accommodates standard 9/64" tools for consistent installation torque.
