S-97832A168 10-32 ASME B18.3 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 construction, ideal for harsh industrial environments
- Precise alignment and secure positioning thanks to the 1-1/4" shoulder length with tight tolerances
- High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Superior thread engagement with Class 3A fit and 10-32 UNF fine thread for reliable, vibration-resistant fastening
- Easy installation and removal using the hex socket drive and knurled head for improved grip
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for global supply chain suitability
Professional Applications & Engineering Value
This precision shoulder screw is engineered to solve critical alignment and durability challenges in industrial assemblies. The 18-8 stainless steel material provides excellent corrosion resistance, extending service life in moist or chemically aggressive environments. The 1-1/4" shoulder length with controlled tolerances ensures accurate component positioning in machinery, pivots, and rotating assemblies, reducing wear and maintenance needs. The 10-32 UNF fine thread with Class 3A fit offers superior clamping force and vibration resistance, making it ideal for high-stress applications in automotive, aerospace, and precision equipment. Combined with the hex socket drive and knurled head, it allows for efficient installation in confined spaces while maintaining torque integrity.
Specification Summary & Compliance
This shoulder screw features a 10-32 UNF fine thread with Class 3A thread fit for high precision. The shoulder diameter is 1/4" with a tolerance of -0.004" to -0.002", and the shoulder length is 1-1/4" with a tolerance of -0.005" to 0.005". It meets ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
