S-94496A560 1/4"-20 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 load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance in demanding applications
- Precision alignment and smooth rotation enabled by the 1-5/8" shoulder with standard fit and minimal diameter tolerance
- Corrosion-resistant zinc plating extends service life and maintains appearance in industrial environments
- Easy installation and removal with external hex drive and 5/8" head width providing secure tool engagement
- Consistent thread performance through Class 2A UNC coarse threads ensuring reliable fastening in various materials
- Durable steel construction with Rockwell B80 hardness maintains structural integrity under repeated use
- Regulatory compliance assurance with RoHS 3 and REACH standards meeting industrial safety requirements
Professional Applications & Engineering Value
This steel shoulder screw delivers critical engineering value in precision applications where alignment and rotational movement are paramount. The 1-5/8" shoulder length provides precise spacing and smooth bearing surfaces in machinery, while the zinc plated finish protects against corrosion in industrial environments. The 1/4"-20 UNC coarse thread with Class 2A fit ensures reliable fastening in assemblies requiring repeated disassembly. Engineered with external hex drive for secure tool engagement, this shoulder bolt solves alignment challenges in rotating mechanisms, pivot points, and precision fixtures where dimensional stability and consistent performance are essential for operational efficiency.
Specification Summary & Compliance
This shoulder screw features precision dimensions including shoulder diameter of 3/8" (-0.004" to 0" tolerance) and shoulder length of 1-5/8" (±0.005" tolerance). The UNC thread maintains Class 2A dimensional accuracy for reliable fit. Manufactured to meet RoHS 3 (2015/863/EU) compliance with exemption 6(a) and REACH (EC 1907/2006) standards, ensuring environmental regulatory adherence for industrial applications requiring certified components.
