S-93705A271 10-32 x 1 1/4" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with nylon patch thread locker prevents loosening under dynamic loads, maintaining assembly integrity in high-stress environments.
• Superior corrosion resistance from 18-8 stainless steel ensures long-term reliability in humid, chemical, or outdoor applications.
• High tensile strength of 70,000 psi provides exceptional load-bearing capacity for critical structural and machinery fastening.
• Precision Class 3A thread fit guarantees consistent engagement and reduced risk of cross-threading during installation.
• Wide temperature tolerance (-70° to 250°F) allows stable performance in extreme operational conditions.
• Partially threaded shank design offers optimal clamp force distribution and reduces weight without compromising strength.
• Standard hex socket drive enables easy installation with common tools, minimizing assembly time and tooling costs.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 10-32 UNF socket head cap screw addresses common challenges like vibration-induced loosening and environmental degradation. The nylon patch thread locker secures fasteners in machinery, automotive subsystems, and electronic enclosures where constant motion threatens joint stability. Made from 18-8 stainless steel, it resists oxidation and chemical exposure, ideal for food processing, marine, or pharmaceutical equipment. The fine UNF thread and Class 3A fit ensure precise alignment in tight-tolerance assemblies, reducing rework. Its partially threaded configuration concentrates clamping force where needed, preventing stress concentration on the threaded portion. These features make it a reliable choice for OEMs and maintenance teams seeking durability and compliance with ASME B18.3 standards.

Specification Summary & Compliance

This screw adheres to ASME B18.3 specifications for dimensional accuracy, with a Class 3A thread fit ensuring tight tolerances and smooth installation. The UNF fine thread (10-32) and right-hand direction provide secure fastening in precision applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing the absence of hazardous substances. The manufacturing process meets the declared tensile strength of 70,000 psi and Rockwell B70 hardness, validating its performance in industrial use.