S-94361A323 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with alloy steel construction and 140,000 psi tensile strength for reliable performance in demanding applications.
• Superior corrosion resistance thanks to the black oxide finish, extending service life in various industrial environments.
• Precise and secure fastening ensured by the Class 3A thread fit and 10-32 UNF fine threads, minimizing the risk of loosening under vibration.
• Enhanced wear resistance from Rockwell C32 hardness, maintaining dimensional stability and thread integrity over repeated use.
• Easy and secure installation with the knurled socket head and 1/8" hex drive, providing a firm grip and reducing tool slippage.
• Accurate alignment and spacing due to the precisely machined shoulder with tight diameter and length tolerances.
• Compliance with environmental regulations, being RoHS 3 and REACH compliant, ensuring suitability for global industrial supply chains.

Professional Applications & Engineering Value

This 10-32 UNF shoulder screw is engineered to address critical challenges in precision assembly and machinery. Made from alloy steel and hardened to Rockwell C32, it offers excellent resistance to wear and fatigue, ideal for high-stress applications like rotating shafts, pivots, and guides in automotive, aerospace, and manufacturing equipment. The black oxide finish provides a protective layer against rust and corrosion, extending component life in harsh conditions. With a Class 3A thread fit and fine UNF threads, it ensures tight, reliable connections that resist loosening from vibrations, while the knurled socket head and hex drive allow for efficient installation with standard tools, reducing assembly time and improving operational safety in industrial shoulder bolt setups.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for high accuracy in UNF fine threads. The shoulder features tight tolerances: diameter of 1/4" with -0.004" to -0.002" tolerance, and length of 1 7/8" with -0.005" to 0.005" tolerance. It complies with RoHS 3 (2015/863/EU) under exemption 6(a) for lead in steel and is REACH (EC 1907/2006) compliant, ensuring environmental and safety standards are met for industrial use.