S-8077A152 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 and Black Oxide finish, ideal for harsh industrial environments
- High tensile and shear strength (70,000 psi tensile, 35,000 psi shear) ensures reliable performance in demanding applications
- Precise Class 3A thread fit with UNC coarse threads for secure, vibration-resistant fastening
- Knurled socket head with hex drive provides excellent grip and torque transmission during installation
- Accurate 3/4" shoulder length with tight tolerances maintains proper component alignment
- Rockwell B79 hardness offers enhanced durability and wear resistance
- Full regulatory compliance with RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
This 316 Stainless Steel shoulder screw with Black Oxide finish delivers exceptional corrosion resistance for machinery, automotive, and marine applications where environmental factors challenge component integrity. The Class 3A UNC thread fit ensures precise engagement in assemblies requiring minimal backlash, while the 3/4" shoulder length with controlled tolerances provides stable bearing surfaces for rotating components. The knurled socket head design prevents tool slippage during high-torque installation, and the coarse thread spacing facilitates quicker assembly in production environments. Engineered to withstand substantial shear and tensile loads, this shoulder screw maintains dimensional stability in precision equipment, reducing maintenance frequency and downtime.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit and UNC thread form. Shoulder diameter tolerance maintained at -0.004" to -0.002" with shoulder length tolerance of -0.005" to 0.005". Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations. Material certification confirms 316 Stainless Steel composition with Black Oxide surface treatment for enhanced corrosion protection.
