S-90337A442 10-32 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 environments and long-term reliability.
- Exceptional strength and durability from 70,000 psi tensile strength and Rockwell B55 hardness, resisting wear and deformation under load.
- Precise component alignment ensured by the accurate 1-1/4" shoulder length with minimal tolerance, reducing assembly errors.
- Secure and reliable fastening with Class 2A thread fit and 10-32 UNF fine thread, providing excellent vibration resistance.
- Easy installation in confined spaces using the low-profile hex socket head and 1/8" drive, allowing for efficient tool access.
- Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.
- Smooth head finish minimizes friction and damage to mating surfaces during tightening.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to solve critical alignment and fastening challenges in demanding industrial applications. The 18-8 stainless steel material offers excellent corrosion resistance, making it suitable for machinery, automotive assemblies, and electronic enclosures exposed to moisture or chemicals. The 10-32 UNF fine thread and Class 2A thread fit ensure a tight, secure connection that resists loosening under vibration, common in rotating equipment. The precisely machined shoulder with a length of 1-1/4" acts as a reliable pivot or spacer, maintaining accurate positioning of components like gears, bearings, and linkages. Combined with a low-profile socket head and hex drive, it allows for easy installation in tight spaces, reducing assembly time and improving overall mechanical integrity.
Specification Summary & Compliance
This shoulder screw adheres to inch system measurements with a Class 2A thread fit for consistent, precise engagement. The UNF thread type and fine spacing provide reliable performance in applications requiring high clamping force. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring the product is free from hazardous substances and safe for various industries.
