S-94328A895 3/8"-16 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 durability with 140,000 psi tensile strength and Rockwell C30 hardness for reliable performance in high-stress applications
- Precise shoulder alignment with tight diameter tolerance (-0.004" to -0.002") and length tolerance (-0.005" to 0.005") ensuring accurate component positioning
- Corrosion-resistant black oxide finish providing enhanced protection in demanding industrial environments
- Secure knurled low-profile socket head with 1/4" hex drive for easy installation and reduced risk of tool slippage
- Superior thread engagement with Class 3A UNC coarse threads (3/8"-16) offering excellent vibration resistance
- Versatile 1 1/2" shoulder length accommodating various component thicknesses while maintaining precise pivot points
- Environmental compliance meeting RoHS 3 and REACH regulations for safe use across multiple industries
Professional Applications & Engineering Value
This alloy steel shoulder screw delivers critical engineering solutions where precision alignment and rotational movement are paramount. The 3/8"-16 UNC coarse thread with Class 3A fit ensures secure fastening in vibrating equipment, while the precisely machined shoulder provides accurate bearing surfaces for gears, pulleys, and linkages. The black oxide finish enhances corrosion resistance in harsh environments, extending service life in manufacturing equipment, automation systems, and heavy machinery. The knurled low-profile socket head with 1/4" hex drive facilitates installation in confined spaces, making it ideal for precision assemblies requiring reliable pivot points and rotational components.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit and shoulder diameter tolerance of -0.004" to -0.002". Features UNC coarse threads (3/8"-16) with 5/8" thread length and 1 1/2" shoulder length with ±0.005" tolerance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications.
