S-91273A316 1/2"-13 Shoulder Screws
Shoulder Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
- Precise alignment and spacing enabled by the 1" shoulder length with tight tolerances for stable component positioning
- Easy installation and removal thanks to the knurled hex socket head design providing superior grip and torque transmission
- Wide compatibility with 1/2"-13 UNC coarse threads and Class 2A fit ensuring secure fastening in standard applications
- Enhanced safety compliance meeting RoHS 3 and REACH environmental regulations for responsible manufacturing
- Optimized shear resistance with minimum 35,000 psi shear strength for demanding mechanical assemblies
Professional Applications & Engineering Value
This 18-8 Stainless Steel shoulder screw delivers critical engineering solutions where precision alignment and durability are paramount. The 1" shoulder length with controlled tolerances provides exact component spacing in machinery, automation systems, and rotating assemblies, eliminating misalignment issues. The 1/2"-13 UNC coarse thread with Class 2A fit ensures rapid installation and vibration resistance in high-cycle applications. With 70,000 psi tensile strength and corrosion-resistant properties, it withstands demanding conditions in manufacturing equipment, automotive jigs, and conveyor systems. The knurled hex socket head offers reliable torque application, reducing tool slippage during assembly. Engineered for precision shoulder screw applications requiring dimensional stability and compliance with industrial standards.
Specification Summary & Compliance
This shoulder screw maintains Class 2A thread fit per UNC standards with shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". Manufactured from 18-8 Stainless Steel with Rockwell B55 hardness and 70,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial and commercial applications worldwide.
