S-8077A727 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 chemical and marine environments
- Enhanced durability and wear resistance from the black oxide finish, reducing maintenance and replacement frequency
- Precise alignment and secure fit with Class 3A thread fit, minimizing assembly play and vibration loosening
- High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for demanding industrial loads
- Easy installation and removal using a standard 3/32" hex drive and knurled head for improved grip
- Reliable performance in regulated industries with full compliance to RoHS 3 and REACH environmental standards
- Versatile coarse UNC threading ensures quick assembly and disassembly in high-vibration applications
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw in 316 stainless steel with a black oxide finish is engineered to solve critical challenges in machinery assembly, pivoting mechanisms, and precision equipment. The Class 3A thread fit provides tight tolerances that prevent backlash in rotating parts, while the coarse UNC thread resists loosening under dynamic stresses. Its high tensile and shear strength supports heavy-duty applications like conveyor systems, robotic arms, and automotive fixtures, where failure is not an option. The combination of corrosion-resistant material and protective coating extends service life in humid, chemical, or outdoor settings, reducing downtime and total cost of ownership for industrial operators.
Specification Summary & Compliance
This shoulder screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for superior dimensional accuracy. Shoulder diameter tolerance is maintained between -0.004" to -0.002", and shoulder length tolerance from -0.005" to 0.005". The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of restricted hazardous substances and suitable for global industrial use.
