S-90278A744 M3.5 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, ensuring long-term reliability in harsh industrial environments.
- High tensile strength of 70,000 psi provides robust load-bearing capacity for demanding mechanical assemblies.
- Precise Class 6g thread fit guarantees smooth, secure fastening with minimal play in metric applications.
- Accurate 35mm shoulder length with +0.05mm tolerance enables exact positioning and alignment in machinery and rotating components.
- Hex socket drive (2.5mm) allows for easy installation and high torque application without slippage.
- Rockwell B55 hardness offers excellent wear resistance and durability under repetitive use.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.
Professional Applications & Engineering Value
This M3.5 shoulder screw is engineered to address critical alignment and rotational stability challenges in industrial equipment. The 18-8 stainless steel material resists corrosion from moisture and chemicals, making it ideal for automotive, electronics, and food processing applications. The precise shoulder diameter (5mm) and 35mm shoulder length with tight tolerances provide a reliable pivot or spacer in assemblies, reducing vibration and misalignment. With a coarse thread spacing and Class 6g thread fit, it ensures quick installation and secure holding power, while the hex socket head facilitates efficient maintenance in confined spaces. This precision shoulder screw delivers consistent performance in high-stress environments, enhancing machinery longevity and operational safety.
Specification Summary & Compliance
This metric shoulder screw adheres to Class 6g thread tolerance standards, with shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to +0.05 mm for precise fit. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring compliance with environmental and safety requirements for industrial use.
