S-91273A282 3/4"-10 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 industrial environments.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress.
- Precision-machined 3 1/2" shoulder maintains exact alignment for rotating components, reducing wear.
- Knurled head and hex socket drive provide secure, non-slip grip during installation and removal.
- Class 2A thread fit with UNC coarse threading allows for easy assembly and disassembly without cross-threading.
- Compliance with RoHS 3 and REACH standards guarantees environmental safety and regulatory adherence.
- Rockwell B55 hardness offers excellent durability and resistance to deformation.
Professional Applications & Engineering Value
This 3/4"-10 UNC shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The 18-8 Stainless Steel material provides exceptional corrosion resistance, making it suitable for machinery exposed to moisture, chemicals, or outdoor conditions. The precisely machined 3 1/2" shoulder length with tight tolerances ensures accurate positioning of parts like bearings, pulleys, and gears, minimizing vibration and extending equipment life. The hex socket drive and knurled head facilitate secure tool engagement, reducing installation time and preventing slippage. Ideal for heavy-duty applications in automotive, aerospace, and manufacturing, this fastener enhances assembly reliability and reduces maintenance costs.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit with UNC coarse threads for standard compatibility and ease of use. The shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005", ensuring precise dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances. Manufactured to meet industrial standards for tensile strength (70,000 psi) and shear strength (35,000 psi minimum), it is suitable for demanding engineering applications.
