S-94035A513 4-40 MS51576-2, NASM51576 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 and passivated finish, ideal for harsh environments.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting performance.
- Precise alignment and secure fit due to the 1/8" shoulder diameter with precise shoulder fit tolerance, minimizing component misalignment.
- Easy installation and removal with a hex socket drive (5/64") and standard UNC coarse threads, ensuring efficient assembly.
- Guaranteed dimensional accuracy with Class 2A thread fit and controlled shoulder tolerances for consistent, high-quality assemblies.
- Compliance with stringent industry standards including MS51576-2 (NASM51576), ensuring reliability in regulated applications.
- Environmental and safety compliance with RoHS 3 and REACH regulations, making it suitable for global markets.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address common industrial challenges such as component misalignment, vibration loosening, and corrosion. The precise shoulder fit and 1/8" shoulder diameter provide stable pivoting and alignment in assemblies, reducing wear and improving operational accuracy. Its 4-40 UNC coarse thread and hex socket drive facilitate quick installation in tight spaces, while the passivated finish enhances durability against moisture and chemicals. Ideal for precision machinery, automotive systems, and electronic enclosures, this screw ensures reliable performance in demanding industrial applications, backed by high tensile strength and hardness.
Specification Summary & Compliance
This shoulder screw maintains Class 2A thread fit and precise shoulder diameter and length tolerances for consistent assembly. It conforms to MS51576-2 (NASM51576) specifications and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for various regulatory environments.
