S-93897A664 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
- Corrosion-resistant Nylon 6/6 construction ensures reliable performance in humid or chemical environments without rust or galvanic corrosion.
- Precision Class 2A thread fit provides consistent engagement and reduces cross-threading risks during assembly.
- 1/2" shoulder diameter with tight tolerances maintains accurate component alignment and acts as a built-in spacer.
- Smooth socket head with 1/4" hex drive enables clean installation and high torque application without marring surfaces.
- Wide temperature tolerance (-40° to 185°F) maintains structural integrity across diverse operating conditions.
- RoHS 3 compliance meets international environmental standards for restricted substances in industrial applications.
- Coarse UNC threading ensures rapid assembly and superior resistance to vibration loosening.
Professional Applications & Engineering Value
This Nylon 6/6 shoulder screw solves critical challenges in precision assembly where electrical insulation, chemical resistance, and weight reduction are paramount. The 1/2" shoulder diameter with controlled tolerances serves as an integral alignment feature in rotating assemblies, while the 3/8"-16 UNC coarse thread provides rapid installation in plastic and soft metal components. Engineers specify this socket head shoulder screw for conveyor systems, electrical enclosures, and food processing equipment where its non-conductive properties prevent electrical shorts and its smooth finish resists contaminant buildup. The right-hand thread configuration with standard drive compatibility ensures maintenance familiarity across industrial settings.
Specification Summary & Compliance
Manufactured to UNC thread standards with Class 2A fit for consistent thread engagement. Shoulder diameter tolerance maintained at -0.012" to -0.002" with shoulder length tolerance of -0.015" to 0.015". Fully compliant with RoHS 3 (2015/863/EU) regulations for hazardous substance restrictions. Temperature performance validated from -40° to 185°F for diverse industrial environments.
