S-91273A728 1"-8 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 and black oxide finish, ideal for harsh industrial environments.
- Exceptional tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications.
- Precise alignment and stability from the standard shoulder fit and Class 2A thread tolerance for reduced assembly errors.
- Easy installation and removal with the 1/2" hex drive and knurled head, providing a secure grip and efficient torque application.
- Durable performance backed by Rockwell B55 hardness, resisting wear and deformation under stress.
- Broad compatibility with 1"-8 UNC coarse threads, suitable for various machinery and equipment setups.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.
Professional Applications & Engineering Value
This shoulder screw is engineered to address common industrial challenges such as misalignment and component wear. Made from 18-8 stainless steel with a black oxide finish, it offers enhanced corrosion resistance, making it ideal for applications in machinery, automotive assemblies, and precision instruments where exposure to moisture or chemicals is a concern. The 1"-8 UNC coarse threads and standard shoulder provide accurate positioning and secure fastening, reducing the risk of loosening under vibration. With a hex drive and knurled head, it allows for quick installation in tight spaces, improving maintenance efficiency. Its high tensile strength and hardness ensure long-term reliability in heavy-duty environments, minimizing downtime and replacement costs.
Specification Summary & Compliance
This shoulder screw adheres to precise dimensional standards, including Class 2A thread fit and UNC thread specifications, with shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005" for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.
