S-94731A750 1/4"-20 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and reduces the risk of fastener failure.
• Precision shoulder fit with 3/8" diameter and 1-7/8" length provides accurate alignment and smooth rotation in assemblies.
• Easy installation and removal thanks to the external hex head design, allowing for quick tool engagement.
• Consistent thread performance with UNC coarse threading and Class 2A fit for secure fastening and vibration resistance.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards.
• Durable Rockwell B55 hardness offers excellent wear resistance, extending the screw's service life.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to address common industrial challenges, such as misalignment and corrosion in machinery. The 1/4"-20 UNC thread with coarse spacing provides quick assembly and high resistance to loosening under vibration, making it ideal for precision applications in automotive, aerospace, and manufacturing equipment. The smooth hex head allows for efficient torque application, while the 3/8" shoulder diameter and 1-7/8" shoulder length ensure precise component positioning, reducing wear and maintenance costs. Its corrosion-resistant properties and high shear strength of 35,000 psi deliver reliable performance in demanding environments, supporting long-term operational efficiency.

Specification Summary & Compliance

This shoulder screw features a Class 2A thread fit with UNC coarse threading for standard tolerance, ensuring compatibility and ease of use. Dimensions include a shoulder diameter of 3/8" (tolerance: -0.004" to 0") and shoulder length of 1-7/8" (tolerance: -0.005" to 0.005"), providing precise engineering control. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for industrial fasteners.