S-91273A789 M5 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
- Corrosion-resistant performance with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
- High-strength reliability offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding mechanical applications.
- Secure, slip-resistant installation thanks to the knurled socket head and 2.5 mm hex drive, ensuring firm tool engagement.
- Precision fit and alignment with Class 5g6g thread fit and controlled shoulder diameter tolerance (-0.04 to -0.01 mm).
- Durable, long-lasting use backed by Rockwell B55 hardness and coarse M5x0.8 thread for repeated assembly and disassembly.
- Broad compatibility with metric systems and standard socket head profiles, simplifying integration into existing designs.
- Environmental and regulatory safety through compliance with RoHS 3 and REACH standards.
Professional Applications & Engineering Value
This M5 shoulder screw is engineered to address critical alignment and fastening challenges in industrial applications such as machinery assemblies, automation systems, and precision instruments. The 18-8 stainless steel material provides excellent corrosion resistance, while the black oxide finish enhances durability and reduces galling. The knurled socket head and hex drive design ensure secure torque transmission, minimizing the risk of tool slippage during installation. With a 9.5 mm thread length and Class 5g6g thread fit, it offers precise positioning and reliable load distribution, making it ideal for components requiring exact shoulder alignment and high tensile strength.
Specification Summary & Compliance
This shoulder screw adheres to metric system standards with M5x0.8 coarse threads and Class 5g6g tolerance for consistent fit. Shoulder diameter tolerance is -0.04 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring precision in assembly. The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting safe and sustainable industrial use.
