S-92981A784 M5 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 & Corrosion Resistance: Black oxide finish provides reliable protection against rust and wear in harsh industrial environments.
- High Tensile Strength for Demanding Loads: Alloy steel construction with 140,000 psi tensile strength ensures secure fastening under high-stress conditions.
- Precision Thread Fit for Vibration Resistance: Class 5g6g thread fit offers excellent tolerance control, reducing loosening in dynamic applications.
- Easy Installation & Non-Slip Grip: Hex socket drive with 3 mm size and knurled head texture allows for quick, tool-friendly assembly and improved handling.
- Accurate Shoulder Alignment: 6.5 mm shoulder diameter with tight tolerance ensures precise component positioning and smooth rotational movement.
- Compliance with Industry Standards: Meets ASTM A108 specifications and is RoHS 3 and REACH compliant for safe, regulated use.
- Optimized for Coarse Thread Applications: M5x0.8 mm coarse pitch thread enables faster assembly and reliable performance in various materials.
Professional Applications & Engineering Value
This M5 shoulder screw is engineered from alloy steel with a black oxide finish to address common industrial challenges such as misalignment, corrosion, and mechanical fatigue. The hex socket head and knurled texture facilitate easy installation in tight spaces, while the Class 5g6g thread and coarse pitch ensure secure, vibration-resistant connections in machinery, automotive assemblies, and precision equipment. With a Rockwell C32 hardness and robust shoulder design, it provides stable bearing surfaces and extended service life, reducing maintenance needs in demanding industrial applications.
Specification Summary & Compliance
The screw features precise dimensions, including a shoulder diameter tolerance of -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm, adhering to ISO metric standards for consistent performance. Thread specifications follow Class 5g6g fit with right-hand, coarse spacing, and the product complies with ASTM A108 manufacturing norms, RoHS 3, and REACH regulations, ensuring environmental safety and reliability in global supply chains.
