S-97832A169 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
- Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments.
- Precise component alignment ensured by the 1-1/2" shoulder with tight diameter and length tolerances for reliable assembly.
- High-strength fastening with 70,000 psi tensile strength and 35,000 psi shear strength to withstand significant mechanical loads.
- Secure, slip-resistant installation via the knurled socket head and 1/8" hex drive for improved torque application.
- Exceptional thread engagement with Class 3A fit and 10-32 UNF fine thread for vibration resistance and precise fit.
- Broad regulatory compliance including RoHS 3 and REACH, ensuring material safety and suitability for global markets.
- Durable wear resistance from Rockwell B55 hardness, maintaining integrity through repeated use and disassembly.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 1-1/2" shoulder length provides a stable pivot or spacer in machinery, reducing misalignment and wear in rotating parts. Its 10-32 UNF fine thread with Class 3A fit ensures minimal backlash and superior vibration resistance, crucial for automotive, aerospace, and electronic equipment where movement precision is paramount. The knurled socket head enhances grip during installation, preventing tool slippage in confined spaces. Manufactured to ASME B18.3 specifications, it delivers consistent dimensional accuracy, making it ideal for jigs, fixtures, and precision linkages that demand repeatable performance and corrosion resistance.
Specification Summary & Compliance
This shoulder screw adheres to ASME B18.3 standards, with a Class 3A thread fit for high precision. The shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005", ensuring exacting dimensional control. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety regulations for industrial use.
