S-90323A611 M2 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
- Exceptional corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
- High tensile strength of 85,000 psi ensures reliable load-bearing capacity and durability in demanding applications.
- Precise shoulder fit with a diameter tolerance of -0.025 to 0 mm, enabling accurate alignment and reduced assembly errors.
- Low socket head design with a 1.5 mm hex drive for space-saving installations and secure, flush mounting.
- Rockwell B90 hardness provides excellent wear resistance and long-term performance under mechanical stress.
- Class 6g thread fit with coarse M2 x 0.4 mm threads ensures easy, reliable fastening and vibration resistance.
- Compliance with RoHS 3 and REACH standards guarantees environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This M2 shoulder screw is engineered to address critical challenges in precision assemblies, such as misalignment and component wear. Made from 18-8 stainless steel with a passivated finish, it resists corrosion in humid or chemically exposed settings, extending service life in industries like electronics, automation, and medical devices. The low socket head and hex drive allow for compact designs and secure torque application, while the precise shoulder fit (with tolerances as tight as -0.025 mm) ensures accurate positioning in rotating parts or bearing mounts. This reduces downtime and maintenance costs, making it a reliable choice for metric-based engineering projects requiring high-strength, RoHS 3 and REACH compliant fasteners.
Specification Summary & Compliance
The screw features a Class 6g thread fit per metric standards, with a shoulder diameter tolerance of -0.025 to 0 mm and length tolerance of 0 to 0.05 mm for precision alignment. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for international markets.
