S-92944A141 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Precise alignment and location ensured by the 1/2" diameter shoulder with tight tolerances, reducing component wear and misalignment.
• Easy installation and removal with a 5/16" hex drive and standard flat head, providing secure tool engagement and flush mounting.
• Consistent and reliable threading due to the Class 3A UNC coarse thread fit, ensuring vibration resistance and secure fastening.
• Enhanced durability from Rockwell B55 hardness, resisting deformation under stress and maintaining performance over time.
• Compliance with environmental regulations including RoHS 3 and REACH, making it suitable for global markets and sensitive applications.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to address critical challenges in precision alignment and high-stress applications. Its robust 1/2" diameter shoulder and 3/4" shoulder length provide a stable pivot point or spacer, minimizing play in assemblies such as machinery linkages, rotating shafts, and electronic enclosures. The Class 3A UNC thread with coarse spacing ensures quick assembly and resistance to loosening under vibration, while the flat head with hex drive allows for flush installation and high torque application. Made from corrosion-resistant 18-8 stainless steel, it withstands exposure to moisture, chemicals, and temperature variations, reducing maintenance needs in industrial, automotive, and aerospace sectors. This combination of material strength, dimensional accuracy, and thread reliability delivers long-term performance, making it a cost-effective solution for OEMs and maintenance teams.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precise engagement. Dimensions include a shoulder diameter of 1/2" (tolerance: -0.004" to -0.002") and shoulder length of 3/4" (tolerance: -0.005" to 0.005"), ensuring consistent performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in regulated environments without hazardous substances.