S-93705A714 1/4"-28 x 1/2" 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 ensures secure fastening in high-stress environments, maintaining integrity from -70° to 250°F.
• Superior corrosion resistance from 18-8 stainless steel material prevents rust and degradation, ideal for harsh or outdoor applications.
• High tensile strength of 70,000 psi provides reliable load-bearing capacity, reducing the risk of failure under heavy mechanical stress.
• Precise Class 3A thread fit offers tight tolerances for smooth assembly and enhanced joint reliability in fine-threaded connections.
• Durable Rockwell B70 hardness ensures long-lasting performance and resistance to wear, extending the fastener's service life.
• Standard hex socket drive (3/16") allows for easy installation with common tools, minimizing assembly time and effort.
• Full compliance with ASME B18.3, RoHS 3, and REACH guarantees adherence to industry standards for safety and environmental regulations.

Professional Applications & Engineering Value

This 1/4"-28 UNF fine thread socket head cap screw is engineered to address critical challenges in precision industrial applications, such as machinery assembly, automotive systems, and electronic enclosures. The 18-8 stainless steel construction provides excellent corrosion resistance, essential for environments exposed to moisture or chemicals, while the nylon patch thread locker effectively counters vibration-induced loosening, a common issue in dynamic operations. With its Class 3A thread fit and fine threading, it ensures secure, leak-proof connections in high-precision components, reducing maintenance needs and enhancing operational reliability. Ideal for vibration-resistant fastening in aerospace, manufacturing, and heavy equipment, this screw delivers consistent performance where durability and compliance with standards like ASME B18.3 are paramount.

Specification Summary & Compliance

This product features a Class 3A thread fit with 1/4"-28 UNF fine threads and a fully threaded design for uniform engagement. It adheres to ASME B18.3 manufacturing specifications, ensuring dimensional accuracy and reliability. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards confirms it is free from hazardous substances, making it suitable for global industrial use.