S-90278A712 M1.6 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 enabled by the 3mm shoulder with tight tolerances for reduced assembly errors
- High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term performance
- Secure, tamper-resistant fastening using the 1.5mm hex socket drive, suitable for compact assemblies
- Consistent thread engagement ensured by Class 6g thread fit and coarse 0.35mm pitch for quick installation
- Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Smooth, low-profile head with 4mm diameter for flush mounting in space-constrained applications
Professional Applications & Engineering Value
This M1.6 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, making it suitable for electronics, medical devices, and optical equipment where reliability is paramount. The 3mm shoulder length with precise diameter tolerance acts as a built-in spacer, eliminating the need for additional components and reducing assembly time. Combined with the Class 6g metric thread and coarse pitch, it ensures rapid, secure fastening in high-vibration environments. The hex socket drive offers superior torque transmission in confined spaces, enhancing productivity in automated or manual assembly lines.
Specification Summary & Compliance
This precision shoulder screw features a M1.6 x 0.35mm coarse thread with Class 6g thread fit per metric standards. Shoulder diameter tolerance is -0.025 to 0 mm, and shoulder length tolerance is 0 to 0.05 mm for precise fit. Manufactured from 18-8 stainless steel with Rockwell B55 hardness and 70,000 psi tensile strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.
