S-91273A236 1/2"-13 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
- Precise component alignment ensured by the 3" shoulder with tight tolerances for reliable machinery assembly.
- High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
- Secure and easy installation using the 1/4" hex drive and knurled head for improved grip during tightening.
- Consistent thread engagement provided by the 1/2"-13 UNC coarse thread with Class 2A fit for quick assembly.
- Enhanced durability from Rockwell B55 hardness, reducing wear and extending service life.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.
Professional Applications & Engineering Value
This socket head shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The 18-8 stainless steel material offers excellent corrosion resistance, making it suitable for applications exposed to moisture or chemicals. The 3" shoulder length with precise tolerances provides stable pivoting and positioning in machinery, reducing misalignment and component wear. The 1/2"-13 UNC coarse thread ensures rapid assembly and disassembly, while the hex drive and knurled head facilitate secure installation in tight spaces. Ideal for use in automotive, manufacturing, and precision equipment, this screw delivers reliable performance under high-stress conditions, minimizing downtime and maintenance costs.
Specification Summary & Compliance
The screw features a Class 2A thread fit for standard tolerance and smooth engagement. Shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005", ensuring dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible manufacturing and use in various industrial applications.
