S-90318A720 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 316 Stainless Steel construction, ideal for harsh environments and extending service life
- Enhanced assembly precision due to the Class 6g thread fit and precise shoulder diameter, ensuring reliable component alignment
- High mechanical strength offering 70,000 PSI tensile strength and Rockwell B70 hardness for demanding applications
- Space-saving design with an ultra-low socket head, perfect for compact assemblies with limited clearance
- Secure and efficient driving enabled by the 2 mm hex drive, reducing the risk of stripping and speeding up installation
- Reliable performance in coarse threading with the M3x0.5mm thread, providing robust holding power and resistance to vibration
- Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility
Professional Applications & Engineering Value
This M3 shoulder screw is engineered to address common industrial challenges such as misalignment and corrosion in precision assemblies. Made from 316 Stainless Steel, it excels in corrosive settings like marine or chemical processing, while the Class 6g thread fit and precise shoulder dimensions ensure accurate positioning in machinery, jigs, and pivoting mechanisms. The ultra-low socket head and hex drive facilitate easy installation in tight spaces, reducing assembly time and improving reliability. Ideal for applications in automation, electronics, and heavy equipment, this screw provides a durable, high-strength fastening solution that minimizes maintenance and enhances operational efficiency.
Specification Summary & Compliance
The screw features a metric M3x0.5mm coarse thread with Class 6g tolerance for precise fit, a shoulder diameter of 4 mm (tolerance: -0.025 to 0 mm) and length of 5 mm (tolerance: 0 to 0.05 mm) for accurate alignment. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.
