S-90117A255 3/8"-24 x 1 1/4" ASME B18.3 Alloy Steel Wire-Lockable Socket Head Screws
Alloy Steel Wire-Lockable 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
- Superior corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
- Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress applications without failure.
- Precise Class 3A thread fit guarantees tight, secure fastening with minimal backlash for vibration-resistant assemblies.
- Integrated wire locking feature prevents loosening under dynamic loads, enhancing safety in critical machinery.
- Hex socket drive design allows for high-torque installation in confined spaces, improving assembly efficiency.
- Rockwell C37 hardness rating provides excellent wear resistance, maintaining thread integrity through repeated use.
- Full compliance with ASME B18.3 ensures dimensional accuracy and interchangeability with standard components.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this black-oxide alloy steel socket head cap screw delivers exceptional reliability in machinery, automotive, and aerospace assemblies. The 3/8"-24 UNF fine threads with Class 3A fit provide superior vibration resistance, crucial for dynamic load conditions. The wire locking mechanism secures fasteners in high-vibration environments, preventing costly downtime. With 170,000 psi tensile strength and Rockwell C37 hardness, it withstands extreme mechanical stress while the black-oxide surface treatment offers enhanced corrosion protection. Ideal for precision equipment where socket head design enables efficient installation in space-constrained applications.
Specification Summary & Compliance
This socket head cap screw features 3/8"-24 UNF fine threads with Class 3A thread fit for precision tolerance, manufactured in accordance with ASME B18.3 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage in regulated industries. Dimensions include 1 1/4" length, 5/16" hex drive, and standard socket head profile for consistent performance across industrial applications.
