S-94361A382 5/8"-18 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 strength and durability with 140,000 psi tensile strength and Rockwell C32 hardness for reliable performance in demanding applications
- Superior corrosion resistance through black oxide finish, extending service life in harsh industrial environments
- Precision thread engagement with Class 3A thread fit ensuring secure fastening and vibration resistance
- Enhanced grip and torque transmission from knurled socket head and 3/8" hex drive for secure installation
- Accurate component alignment through precisely machined shoulder with tight diameter tolerance of -0.004" to -0.002"
- Fine thread design (5/8"-18 UNF) providing better adjustment control and increased load distribution
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
This alloy steel shoulder screw delivers exceptional engineering value in precision assembly applications where component alignment and vibration resistance are critical. The black oxide finish provides superior corrosion protection in industrial environments, while the Class 3A thread fit ensures reliable fastening in high-vibration machinery. The knurled socket head with 3/8" hex drive allows for high-torque installation without slippage, making it ideal for precision equipment, automotive assemblies, and industrial machinery. The precisely machined shoulder maintains accurate component positioning, while the fine UNF threads offer superior clamping force distribution in critical connections.
Specification Summary & Compliance
This shoulder screw features precision Class 3A thread fit with 5/8"-18 UNF fine thread specification, ensuring tight tolerances for reliable performance. The shoulder diameter maintains a tight tolerance of -0.004" to -0.002" with shoulder length tolerance of -0.005" to 0.005" for precise component alignment. Manufactured to industrial standards with RoHS 3 (2015/863/EU) compliance under exemption 6(a) and REACH (EC 1907/2006) compliance for global regulatory acceptance in industrial applications.
