S-91273A931 5/8"-11 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.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and durability in demanding applications.
- Precision shoulder with tight length tolerance (±0.005") provides accurate alignment and smooth rotation in assemblies.
- Knurled hex socket head offers enhanced grip and easy installation with standard 5/16" hex tools.
- Class 2A UNC coarse threads allow for quick assembly and secure fastening in various materials.
- Compliance with RoHS 3 and REACH regulations guarantees environmental safety and global market acceptance.
- Minimum shear strength of 35,000 psi delivers robust performance under shear forces, reducing failure risks.
Professional Applications & Engineering Value
This 18-8 Stainless Steel shoulder screw is engineered to address critical industrial challenges, such as misalignment and wear in rotating assemblies. Its 6" precision shoulder with minimal tolerance variations ensures exact positioning in machinery, reducing vibration and extending component life. The coarse 5/8"-11 UNC thread facilitates rapid installation in high-volume production, while the hex socket head with knurling prevents tool slippage, enhancing operator safety. Made from corrosion-resistant stainless steel, it excels in applications like conveyor systems, automotive fixtures, and packaging equipment, where high tensile and shear strength are essential for long-term reliability and reduced maintenance costs.
Specification Summary & Compliance
This shoulder screw adheres to Class 2A thread fit for standard UNC threading, ensuring consistent engagement and ease of assembly. Key dimensions include a shoulder diameter of 5/8" with a tolerance of -0.004" to -0.002" and a shoulder length of 6" with a tolerance of ±0.005". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from hazardous substances and suitable for global industrial use.
