S-90270A711 M3 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, ideal for harsh industrial environments.
- Precise component alignment ensured by the smooth, 4mm diameter shoulder with tight tolerance fit.
- High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting performance.
- Easy installation and removal using the standard socket head design for efficient assembly with common tools.
- Secure fastening in coarse-thread applications with the M3x0.5 right-hand thread and Class 6g fit.
- Consistent dimensional accuracy with controlled shoulder length (12mm) and diameter tolerances for repeatable results.
- Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe use in various industries.
Professional Applications & Engineering Value
This M3 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for machinery, electronics, and automotive components exposed to moisture or chemicals. The precise shoulder fit with a 4mm diameter and 12mm length acts as a reliable pivot or spacer, reducing wear and maintaining exact part positioning. Combined with the coarse metric thread and socket head drive, it ensures quick, secure fastening in high-vibration environments, minimizing loosening and assembly errors for improved operational efficiency.
Specification Summary & Compliance
This shoulder screw adheres to metric system standards with an M3x0.5 coarse thread and Class 6g thread fit for consistent engagement. The shoulder features precise tolerances: diameter of 4mm (-0.025 to 0 mm) and length of 12mm (0 to 0.05 mm). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial applications requiring reliable, compliant components.
