S-94731A380 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
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and reducing replacement frequency
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and prevents premature failure
- Precision Class 2A thread fit guarantees smooth assembly and consistent engagement in mating components
- External hex drive and smooth hex head provide secure, slip-resistant tool engagement for efficient installation and removal
- Robust Rockwell B55 hardness maintains thread integrity and shoulder dimensions under repeated use
- RoHS 3 and REACH compliance meets stringent environmental regulations for global supply chain compatibility
- Coarse UNC thread design enables quick assembly and reduces cross-threading risks in high-vibration applications
Professional Applications & Engineering Value
This 3/8"-16 UNC shoulder screw delivers critical precision in machinery assembly, where the 18-8 stainless steel material resists oxidation and chemical exposure in demanding settings like food processing, marine, or automotive equipment. The external hex drive and smooth hex head allow for high-torque installation without marring surfaces, while the Class 2A thread fit and coarse thread spacing ensure rapid, secure fastening in pivots, linkages, and rotating assemblies. Its 70,000 psi tensile strength and 35,000 psi shear strength provide dependable load-bearing capacity, minimizing downtime in industrial shoulder screw applications that require exact shoulder diameter and length tolerances for alignment and spacing.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with Class 2A thread fit for consistent dimensional accuracy. Shoulder diameter tolerance is -0.004" to 0", and shoulder length tolerance is -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and material traceability.
