S-97345A310 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
- High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads
- Precise Class 3A thread fit ensures secure, vibration-resistant fastening in critical assemblies
- Easy installation and removal with a 3/32" hex socket drive and knurled head for improved grip
- Durable UNC coarse threads provide faster assembly and reduced cross-threading risk in industrial applications
- Environmental compliance with RoHS 3 and REACH standards, meeting global regulatory requirements
- Accurate shoulder dimensions with tight tolerances for consistent alignment and spacing in machinery
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address common industrial challenges such as component misalignment, corrosion-induced failure, and assembly inefficiency. The UNC coarse thread design accelerates installation in time-sensitive production lines, while the Class 3A fit maintains tight tolerances to prevent loosening in high-vibration equipment like motors and conveyors. The knurled socket head enhances tool engagement, reducing slippage during torque application. Ideal for precision machinery, pivoting mechanisms, and bearing mounts, this screw’s corrosion-resistant properties ensure longevity in humid or chemical-exposed settings, minimizing maintenance downtime and replacement costs.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A precision fit for consistent threading. Dimensions include a 5-40 thread size, 9/32" head diameter, and 1/4" shoulder length, manufactured within tight tolerances (e.g., shoulder diameter tolerance of -0.004" to -0.002"). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for industrial use.
