S-91273A668 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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Superior load-bearing capability with 70,000 psi tensile strength and 35,000 psi shear strength for heavy-duty applications
- Precise component alignment ensured by the standard shoulder fit and Class 2A thread tolerance
- Enhanced grip and reduced tool slippage from the knurled socket head with 1/4" hex drive
- Reliable fastening in high-vibration settings due to coarse 1/2"-13 UNC right-hand threads
- Durable, wear-resistant surface provided by the black oxide finish, extending service life
- Compliance with global environmental standards including RoHS 3 and REACH for safe usage
Professional Applications & Engineering Value
This Black Oxide 18-8 Stainless Steel Shoulder Screw is engineered to address critical challenges in machinery assembly, automation systems, and precision equipment. The 1/2"-13 UNC coarse thread design ensures quick installation and secure holding power, reducing the risk of loosening under dynamic loads. Made from 18-8 stainless steel, it offers excellent resistance to rust and oxidation, making it suitable for humid or corrosive industrial settings. The knurled socket head with a 1/4" hex drive allows for easy torque application, minimizing wear on tools and enhancing operator efficiency. Its standard shoulder provides accurate spacing and rotational control in pivoting mechanisms, bushings, and gear assemblies, ensuring smooth operation and reduced maintenance downtime.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit for consistent engagement and assembly ease, with UNC coarse threads and right-hand direction. Dimensions include a 1/2" shoulder diameter and 1 3/4" shoulder length, manufactured to precise tolerances. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for industrial use.
