S-91327A123 10-24 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
- Vibration-resistant locking with nylon patch ensures secure fastening in high-stress environments, maintaining integrity from -50° to 250°F.
- Exceptional corrosion resistance from 18-8 stainless steel and passivated finish, ideal for harsh industrial conditions.
- High tensile strength of 70,000 psi and Rockwell B55 hardness provide reliable performance under heavy loads.
- Precise alignment and stability with a 1-1/4" shoulder length and standard shoulder fit, reducing assembly errors.
- Easy installation and removal using a hex drive (1/8") and socket head design, saving time in maintenance.
- Accurate thread engagement with Class 3A fit and UNC coarse threads, ensuring consistent fastening in machinery.
- Compliance with industry standards like ASME B18.3 and environmental regulations for safe, global use.
Professional Applications & Engineering Value
This 10-24 UNC shoulder screw is engineered to address common industrial challenges, such as misalignment and vibration-induced loosening in precision machinery. The 18-8 stainless steel construction, combined with a passivated finish, offers superior resistance to corrosion and wear, extending service life in demanding environments like automotive assemblies or electronic enclosures. The nylon patch thread locker provides reliable locking without compromising reusability, ideal for applications exposed to temperature fluctuations. With a 1-1/4" shoulder length and Class 3A thread fit, it ensures exact positioning and reduces stress on components, making it a top choice for B2B procurement in sectors requiring durability and compliance.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with UNC coarse threads for precise tolerance, a shoulder diameter of 1/4" (tolerance: -0.004" to -0.002"), and shoulder length of 1-1/4" (tolerance: -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), ensuring adherence to safety and environmental standards for industrial use.
