S-94361A144 3/8"-24 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
- Enhanced Durability - Alloy steel construction with Rockwell C32 hardness provides superior wear resistance and long service life in demanding applications
- Precision Alignment - Class 3A thread fit ensures tight tolerances and reliable mating with UNF fine threads for vibration-resistant connections
- Superior Corrosion Protection - Black oxide finish offers excellent resistance to rust and oxidation in industrial environments
- High Load Capacity - 140,000 psi tensile strength delivers exceptional mechanical performance for heavy-duty applications
- Easy Installation & Removal - Knurled socket head with 1/4" hex drive allows for secure tool engagement and efficient assembly
- Accurate Positioning - 1/2" shoulder diameter with tight tolerances provides precise component alignment and spacing
- Environmental Compliance - Meets RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This alloy steel shoulder screw is engineered to solve critical alignment and precision challenges in industrial machinery. The 3/8"-24 UNF fine threads with Class 3A fit ensure vibration-resistant connections in automated equipment, while the precision 1/2" shoulder diameter maintains accurate component positioning in rotating assemblies. The black oxide finish provides essential corrosion protection in harsh manufacturing environments, extending service life and reducing maintenance costs. Ideal for precision instruments, machinery guides, and rotating assemblies where dimensional accuracy and high tensile strength are paramount, this shoulder screw delivers reliable performance in applications requiring exact alignment and durable fastening solutions.
Specification Summary & Compliance
This precision shoulder screw features Class 3A thread fit with UNF fine thread standards, ensuring tight dimensional accuracy. The shoulder diameter maintains -0.004" to -0.002" tolerance with shoulder length tolerance of -0.005" to 0.005" for precise engineering applications. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, this fastener is suitable for regulated industrial environments requiring environmental responsibility and material safety.
