S-94361A142 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 & Corrosion Resistance: Black oxide finish provides superior protection against rust and wear in demanding industrial environments.
- High Tensile Strength for Demanding Applications: 140,000 psi tensile strength ensures reliable performance under high stress and load conditions.
- Precision Alignment & Reduced Wear: 1/2" shoulder diameter with tight tolerance (-0.004" to -0.002") guarantees exact component positioning and minimizes misalignment.
- Secure Fastening with Fine Threads: 3/8"-24 UNF Class 3A fine threads offer excellent vibration resistance and a stronger, more reliable hold.
- Easy Installation & Removal: Hex socket drive and knurled head design allow for straightforward tool engagement and handling, even in confined spaces.
- Consistent Quality & Hardness: Rockwell C32 hardness ensures uniform material strength and resistance to deformation over time.
- Compliance with Environmental Standards: RoHS 3 and REACH compliant, making it suitable for use in regulated industries and global markets.
Professional Applications & Engineering Value
This alloy steel shoulder screw is engineered to address critical alignment and strength requirements in precision assemblies. The 1/2" shoulder diameter with its tight tolerance provides a precise pivot or bearing surface, eliminating play and reducing wear in machinery, automation systems, and rotating assemblies. The Class 3A UNF fine thread ensures a secure fit that resists loosening under vibration, which is essential in automotive, aerospace, and industrial equipment. The black oxide finish enhances corrosion resistance, extending service life in harsh conditions, while the hex socket drive and knurled head facilitate easy installation in hard-to-reach areas, improving assembly efficiency and reducing maintenance downtime.
Specification Summary & Compliance
This shoulder screw adheres to Class 3A thread fit for high precision and features a shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial applications.
