S-97768A455 3/8"-16 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability with 18-8 Stainless Steel construction, offering excellent corrosion resistance and longevity in harsh industrial environments.
• Precise Alignment and Reduced Wear due to the 1/2" diameter shoulder, ensuring accurate component positioning and minimizing friction in assemblies.
• High Tensile and Shear Strength rated at 70,000 psi and 35,000 psi respectively, providing reliable fastening under heavy loads and stress.
• Secure and Easy Installation with a knurled socket head and 1/4" hex drive, allowing for firm grip and efficient torque application without slippage.
• Superior Thread Performance featuring Class 3A UNC coarse threads for quick assembly and strong holding power in various materials.
• Corrosion-Resistant Black Oxide Finish that adds an extra layer of protection against rust and wear, extending service life.
• Compliance with Industry Standards including ASME B18.3, RoHS 3, and REACH, ensuring safety, quality, and environmental responsibility.

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in machinery. Made from 18-8 Stainless Steel with a black oxide finish, it resists corrosion and maintains integrity in demanding settings like automotive assemblies, conveyor systems, and precision equipment. The 1/2" shoulder diameter and 4" shoulder length provide stable support for rotating parts, reducing vibration and extending the life of connected components. Its coarse thread design ensures quick, secure fastening, while the socket head with knurled texture allows for easy installation in tight spaces, making it ideal for industrial fastening solutions that require reliability and efficiency.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional tolerances, including a Class 3A thread fit for superior engagement and a shoulder diameter tolerance of -0.004" to -0.002". It conforms to ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets rigorous safety and environmental standards for global industrial use.