S-94035A613 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications.
• Precise alignment and spacing enabled by the exact 2 1/4" shoulder length with minimal tolerance, reducing assembly errors.
• Reliable fastening performance through Class 2A UNC coarse threads and 3/16" thread length for secure, vibration-resistant connections.
• Easy installation and removal with a hex socket drive (3/32"), allowing efficient torque application in confined spaces.
• Compliance with environmental regulations, including RoHS 3 and REACH, ensuring safe use in global industrial markets.
• Durable smooth head design that prevents snagging and provides a clean, professional finish.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material, combined with a passivated finish, resists corrosion from moisture, chemicals, and industrial atmospheres, extending service life in machinery, automotive, and electronics sectors. The 2 1/4" shoulder length with precise tolerances ensures components like gears, pulleys, and bearings are accurately positioned, minimizing wear and misalignment. With a hex socket drive and coarse UNC threads, it simplifies maintenance in tight spaces while maintaining a 70,000 psi tensile strength for high-stress applications. Ideal for robotics, conveyor systems, and fixture designs, this screw enhances assembly efficiency and reduces downtime.

Specification Summary & Compliance

The screw features a Class 2A thread fit per UNC standards, ensuring consistent engagement and interchangeability. Shoulder dimensions include a diameter of 3/16" with a tolerance of -0.001" to 0" and a length of 2 1/4" with a tolerance of 0" to 0.002" for precise fits. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances. Manufactured to industrial norms, it supports reliable performance in regulated environments.