S-97345A502 8-32 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 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing performance
- Precision Class 3A thread fit ensures tight tolerances and secure fastening in demanding applications
- Knurled socket head design provides enhanced grip and prevents slipping during installation with 3/32" hex drive
- Long 1-1/4" shoulder length accommodates precise component alignment and rotational movement
- Strict dimensional control with shoulder diameter tolerance of -0.004" to -0.002" for consistent assembly fit
- Full regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw delivers critical engineering solutions where precision alignment and corrosion resistance are paramount. The 316 stainless steel construction provides excellent protection against corrosive agents in marine, chemical processing, and food industry applications. The 1-1/4" shoulder length serves as a precise locating diameter for rotating components, bearings, and linkages, eliminating the need for additional bushings or spacers. The Class 3A thread fit ensures vibration resistance and maintains clamping force in high-stress assemblies. Combined with the knurled socket head and hex drive system, installation torque is efficiently transferred without tool slippage, reducing assembly time and improving workplace safety in automated production environments.
Specification Summary & Compliance
This shoulder screw features 8-32 UNC coarse threads with Class 3A thread fit for precision applications. Critical dimensions include shoulder diameter of 3/16" with tolerance of -0.004" to -0.002" and shoulder length of 1-1/4" with tolerance of -0.005" to 0.005". Manufactured from 316 stainless steel with Rockwell B79 hardness, the screw meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental safety and restricted substance control.
