S-99154A394 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 18-8 stainless steel construction, ideal for harsh environments and extended service life
- Precise alignment and positioning ensured by the smooth, 3/16" diameter shoulder with minimal tolerance for reliable assembly
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness to withstand significant mechanical stress
- Easy installation and low-profile design with a socket head and slotted drive for versatile tool use and space-saving applications
- Consistent and reliable threading provided by the 2-56 UNC coarse thread with Class 2A fit for secure fastening
- Compliance with environmental regulations, including RoHS 3 and REACH, ensuring safe and sustainable use in global markets
- Right-hand thread direction for standard, intuitive installation in various mechanical systems
Professional Applications & Engineering Value
This 18-8 Stainless Steel Shoulder Screw is engineered to address critical alignment challenges in precision assemblies, such as in machinery, automotive components, and electronic devices. The 3/16" shoulder diameter with tight tolerances provides a stable pivot or bearing surface, reducing wear and misalignment in dynamic applications. Made from corrosion-resistant 18-8 stainless steel, it withstands moisture and chemicals, extending equipment lifespan. The 2-56 UNC coarse thread and Class 2A fit ensure quick, secure fastening, while the low-profile socket head allows for compact designs and easy access in confined spaces. Ideal for industries requiring precision shoulder screws with high durability and regulatory compliance.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. Key specifications include a shoulder diameter of 3/16" with a tolerance of -0.001" to 0", and a shoulder length of 3/16" with a tolerance of 0" to 0.002" for precise assembly. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for international industrial use.
