S-97345A314 5-40 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 316 stainless steel construction, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high stress.
- Precise alignment and smooth rotation ensured by the Class 3A thread fit and standard shoulder fit, reducing wear and assembly errors.
- Easy installation and removal with a 3/32" hex socket drive and knurled head, providing a secure grip and minimizing tool slippage.
- Robust durability from Rockwell B79 hardness, maintaining integrity in repetitive or high-load applications.
- Compliance with strict regulations including RoHS 3 and REACH, ensuring safety and environmental standards for industrial use.
- Versatile coarse UNC threading for quick assembly and strong holding power in various materials.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion-induced failure, and assembly inefficiencies. The 5-40 UNC coarse thread with Class 3A fit ensures tight tolerances and reliable fastening in machinery, automotive, and electronics sectors, where precision is critical. The 3/4" shoulder length provides stable support for rotating components like bearings and pulleys, reducing friction and extending equipment life. Its high tensile and shear strength makes it suitable for demanding applications, while the knurled head and hex drive facilitate quick maintenance. Ideal for use in corrosive environments, this screw offers long-term reliability and minimizes downtime.
Specification Summary & Compliance
This shoulder screw adheres to precise dimensional standards, including a Class 3A thread fit for high accuracy and a shoulder diameter tolerance of -0.004" to -0.002". It conforms to UNC threading specifications and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and safe for industrial use.
