S-94035A192 1/4"-20 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 and passivated finish, ideal for harsh industrial environments.
- Exceptional durability and strength offering 70,000 psi tensile strength and Rockwell B55 hardness for long-lasting performance.
- Precise alignment and reduced wear due to the 7/8" shoulder with tight tolerances (±0.002") for stable component positioning.
- Easy installation and removal with a 5/32" hex socket drive, ensuring secure fastening in confined spaces.
- Reliable thread engagement featuring Class 2A UNC coarse threads for quick assembly and vibration resistance.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.
- Versatile right-hand thread design suitable for a wide range of machinery and automation applications.
Professional Applications & Engineering Value
This precision shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in rotating assemblies. The 18-8 stainless steel construction, combined with a passivated finish, provides excellent resistance to rust and chemicals, making it ideal for demanding applications in machinery, automotive, and electronics. The 7/8" shoulder length with precise tolerances ensures accurate positioning of parts like gears and pulleys, reducing downtime and maintenance costs. Its UNC coarse threads and Class 2A fit facilitate quick installation while maintaining high strength, supporting efficient production lines and reliable performance in high-stress environments.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent accuracy. Key dimensions include a shoulder diameter of 5/16" with a tolerance of -0.001" to 0" and a shoulder length of 7/8" with a tolerance of 0" to 0.002". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence for industrial use.
