S-92981A768 M2 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 Durability and Corrosion Resistance with a black oxide finish that protects against wear and rust in harsh industrial environments.
- Superior Tensile Strength of 140,000 psi from alloy steel construction, ensuring reliable performance under high-stress applications.
- Precise Thread Fit with Class 5g6g tolerance for secure, vibration-resistant assemblies and reduced risk of loosening.
- Easy Installation and Removal thanks to the hex drive socket head and knurled texture, providing excellent grip and torque application.
- Accurate Shoulder Alignment with tight diameter and length tolerances, facilitating smooth rotation and component positioning.
- Broad Compliance with ASTM A108, RoHS 3, and REACH standards, ensuring safety and environmental responsibility in global markets.
- Optimized for Metric Systems with M2x0.4mm coarse threads, ideal for quick assembly in machinery and electronics.
Professional Applications & Engineering Value
This M2 shoulder screw is engineered to address common industrial challenges, such as misalignment and component wear. Made from alloy steel with a black oxide finish, it offers excellent resistance to corrosion and abrasion, extending service life in demanding settings like automotive assemblies and precision machinery. The class 5g6g thread fit and precise shoulder dimensions ensure stable, repeatable positioning, reducing downtime and maintenance costs. Its hex drive socket head allows for efficient installation in tight spaces, making it a reliable choice for engineers seeking durability and compliance with ASTM A108 standards in industrial applications.
Specification Summary & Compliance
This shoulder screw features a metric thread with M2x0.4mm coarse pitch and Class 5g6g thread fit for precise tolerance. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring accurate assembly. It complies with ASTM A108 specifications and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting safe and sustainable industrial use.
