S-94731A840 1/4"-20 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 with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional load-bearing capacity with 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance
- Precise component alignment enabled by the 2 1/2" shoulder with tight tolerances for consistent assembly
- Quick installation and removal with external hex drive and coarse UNC threads for efficient maintenance
- Consistent thread engagement through Class 2A thread fit ensuring secure fastening in demanding applications
- Enhanced durability with Rockwell B55 hardness providing excellent wear resistance
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
This precision-engineered shoulder screw delivers exceptional value in industrial applications where alignment accuracy and corrosion resistance are critical. The 18-8 stainless steel construction provides reliable performance in demanding environments, while the 2 1/2" shoulder length with precise tolerances ensures perfect component positioning in machinery, automation systems, and precision equipment. The 1/4"-20 UNC coarse thread with Class 2A fit offers quick assembly and disassembly, reducing maintenance downtime. The external hex drive facilitates easy installation with standard tools, making it ideal for high-volume production environments. These shoulder screws effectively solve alignment challenges in rotating assemblies, pivot points, and precision mechanisms where dimensional stability is paramount.
Specification Summary & Compliance
This shoulder screw features precise dimensional control with Class 2A thread fit and shoulder diameter tolerance of -0.004" to 0". Manufactured to UNC thread standards with 3/4" thread length and 2 1/2" shoulder length (tolerance: -0.005" to 0.005"). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.
