S-92981A205 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Black oxide finish provides reliable protection against rust and wear in harsh industrial environments, extending service life.
• Superior Mechanical Strength: Alloy steel construction with a tensile strength of 140,000 psi and shear strength of 84,000 psi ensures high load-bearing capacity and prevents failure under stress.
• Precision Alignment & Stability: The 8 mm shoulder diameter with tight tolerance control ensures accurate component positioning and reduces misalignment in assemblies.
• Secure & Easy Installation: Hex socket drive (4 mm) and knurled head offer excellent grip and torque transmission, minimizing slippage during fastening.
• Broad Compatibility & Reliability: M6x1 coarse right-hand thread with Class 5g6g fit guarantees consistent engagement and vibration resistance in metric applications.
• High Hardness for Longevity: Rockwell C32 hardness maintains thread integrity and resists deformation, even in high-cycle operations.
• Global Standard Compliance: Meets ISO 7379 specifications and environmental regulations (RoHS 3, REACH), ensuring quality and safety for international projects.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical challenges in precision machinery, such as maintaining alignment in rotating assemblies and withstanding high shear loads. The alloy steel material, combined with a black oxide finish, offers excellent resistance to corrosion and abrasion, making it ideal for automotive, aerospace, and industrial equipment where durability is paramount. The knurled head and hex drive design facilitate secure handling in tight spaces, while the 30 mm shoulder length provides a stable bearing surface for gears, pulleys, or linkages. By ensuring dimensional accuracy and Class 5g6g thread fit, this screw minimizes backlash and vibration, enhancing overall system reliability and reducing maintenance needs in demanding applications.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 standards, with precise dimensions including an M6x1 coarse thread and Class 5g6g tolerance for reliable fit. The shoulder diameter tolerance is -0.072 to -0.01 mm, and length tolerance is 0 to 0.25 mm, ensuring high accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe use in various industries.