S-92981A944 M1.6 ASTM A108 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
- Enhanced corrosion resistance with black oxide finish, ideal for demanding industrial environments
- Superior strength and durability from alloy steel construction with Rockwell C32 hardness for reliable performance
- Precise alignment and spacing ensured by the 8mm shoulder length with controlled tolerances
- Secure installation and removal using the 1.5mm hex drive socket head, minimizing tool slippage
- Consistent thread engagement with Class 5g6g thread fit and coarse pitch for quick assembly
- Broad compatibility with metric coarse threading (M1.6x0.35mm) for versatile applications
- Environmental and regulatory compliance meeting RoHS 3 and REACH standards for safe use
Professional Applications & Engineering Value
This M1.6 shoulder screw is engineered to address critical alignment and wear challenges in precision assemblies. The alloy steel material, hardened to Rockwell C32, provides excellent fatigue resistance, reducing failure risks in high-stress applications like robotics, electronics, and small machinery. The black oxide finish adds a protective layer against oxidation, extending service life in humid or corrosive settings. With its 8mm shoulder length and precise diameter tolerances, it acts as a reliable pivot or spacer, minimizing misalignment and simplifying assembly in compact designs. The socket head with 1.5mm hex drive allows for tight installations in confined spaces, ensuring secure fastening without damaging adjacent components. Ideal for precision shoulder screw uses, this component supports efficient production while adhering to ASTM A108 specifications.
Specification Summary & Compliance
This shoulder screw features a metric coarse thread (M1.6x0.35mm) with Class 5g6g thread fit for standard tolerance applications. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring dimensional accuracy. It complies with ASTM A108 for material standards, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) for chemical safety, making it suitable for global industrial and electronic markets.
