S-94035A121 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
- Exceptional corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable performance under significant mechanical stress.
- Rockwell B55 hardness provides excellent durability and wear resistance for long service life.
- Precise shoulder fit with controlled diameter and length tolerances for accurate alignment in assemblies.
- Easy installation and removal using a standard 5/64" hex drive socket head.
- Coarse 2-56 UNC threads with Class 2A fit offer quick assembly and secure fastening in various materials.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to address critical alignment and fastening challenges in mechanical assemblies. The 18-8 Stainless Steel construction, combined with a passivated finish, provides superior resistance to corrosion and oxidation, making it suitable for automotive, aerospace, and electronic equipment applications. The 3/16" shoulder diameter and precisely controlled shoulder length ensure accurate component positioning, reducing wear and misalignment. With right-hand UNC coarse threads and a Class 2A thread fit, it enables rapid installation and reliable torque transmission, while the socket head design allows for compact spaces and high-torque applications. This screw delivers consistent performance in demanding environments where precision and durability are paramount.
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 tolerance of -0.001" to 0" and shoulder length 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 global industrial use.
