S-92183A513 1"-8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance costs.
• Exceptional alignment and precision thanks to the Class 3A thread fit, ensuring reliable assembly and reduced wear.
• High mechanical strength with 70,000 PSI tensile and 35,000 PSI shear strength for demanding applications.
• Secure and easy installation with a 1/2" hex drive and knurled head for improved grip and torque application.
• Versatile shoulder design with a precise 1" diameter shoulder for accurate component location and rotation.
• Broad compatibility with UNC coarse threads, simplifying sourcing and replacement in existing systems.
• Compliance with strict regulations including RoHS 3 and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to solve critical alignment and durability challenges in industrial machinery. The 1"-8 UNC coarse thread with a Class 3A fit provides exceptional dimensional accuracy, preventing misalignment in assemblies and reducing mechanical stress. The 1/2" hex drive and knurled head ensure secure, high-torque installation without slippage, which is vital for maintenance and production lines. Its high tensile strength and corrosion resistance make it ideal for applications like rotating shafts, pivots, and guides in automotive, packaging, and automation equipment, where precision and long-term reliability are non-negotiable.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. The shoulder diameter is 1" with a tight tolerance of -0.004" to -0.002", and shoulder length tolerance is -0.002" to 0.002". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.