S-8077A144 2-56 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 industrial environments.
- Enhanced durability and wear resistance thanks to the Black Oxide finish and Rockwell B79 hardness.
- High mechanical strength with 70,000 psi tensile and 35,000 psi minimum shear strength for reliable load-bearing applications.
- Precise assembly and secure fit ensured by the Class 3A thread fit and UNC coarse thread design.
- Easy installation and removal with the standard hex socket head and 5/64" drive size.
- Accurate component alignment provided by the 3/32" shoulder diameter with tight tolerance control.
- Compliance with environmental standards, being RoHS 3 and REACH compliant for safe and sustainable use.
Professional Applications & Engineering Value
This 2-56 UNC shoulder screw is engineered to address critical challenges in precision assemblies, such as maintaining alignment in rotating parts and reducing wear in high-stress joints. The 316 Stainless Steel material offers excellent resistance to corrosion and chemicals, making it suitable for marine, chemical processing, and food industry applications. The Black Oxide finish not only enhances corrosion protection but also reduces galling during installation. With a Class 3A thread fit and coarse UNC threads, it ensures quick assembly and reliable performance in vibrating environments. The hex socket head allows for compact tool access, ideal for confined spaces in machinery, automotive, and electronic equipment where precision and strength are paramount.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with UNC coarse threads, ensuring high precision and interchangeability. Dimensions include a shoulder diameter of 3/32" (tolerance: -0.004" to -0.002") and shoulder length of 9/32" (tolerance: -0.005" to 0.005"), adhering to standard engineering specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use.
