S-97345A316 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 industrial environments and extended service life.
- Precise component alignment ensured by the 1" shoulder with controlled diameter and length tolerances, reducing assembly errors.
- High-strength performance delivering 70,000 psi tensile and 35,000 psi shear strength for demanding mechanical applications.
- Secure, high-precision threading with Class 3A fit and UNC coarse thread for reliable fastening and vibration resistance.
- Easy installation and removal using a standard 3/32" hex drive and knurled head for improved grip and torque application.
- Compliance with global standards including RoHS 3 and REACH, ensuring material safety and environmental responsibility.
- Durable and wear-resistant with a Rockwell B79 hardness, maintaining integrity under repeated use.
Professional Applications & Engineering Value
This 5-40 UNC shoulder screw is engineered to address critical alignment and strength challenges in precision assemblies. The 316 stainless steel material offers excellent resistance to chemicals and corrosion, making it suitable for medical devices, food processing equipment, and marine applications. The Class 3A thread fit and coarse UNC threading provide a secure, vibration-resistant connection, while the precisely machined shoulder acts as a built-in spacer or pivot point, eliminating the need for additional components. This reduces assembly time, minimizes part count, and enhances overall mechanical reliability in automated machinery, robotics, and precision instruments where dimensional accuracy is paramount.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Key dimensional tolerances include a shoulder diameter of 5/32" (tolerance: -0.004" to -0.002") and shoulder length of 1" (tolerance: -0.005" to 0.005"). The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for regulated industrial markets.
