S-92981A816 M8 ISO 7379 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
- Exceptional durability with alloy steel construction offering 140,000 PSI tensile strength and Rockwell C32 hardness for reliable performance in demanding applications.
- Enhanced corrosion resistance from the black oxide finish, extending service life in industrial environments.
- Precise alignment and smooth rotation due to the 8mm shoulder with controlled diameter tolerance, reducing wear and improving assembly accuracy.
- Secure and efficient installation with a 5mm hex drive and knurled head, providing excellent grip and preventing tool slippage.
- Consistent thread engagement with Class 5g6g thread fit and M8x1.25mm coarse pitch, ensuring easy assembly and high load distribution.
- Broad compatibility meeting ISO 7379 standards, guaranteeing interchangeability and reliability in metric-based systems.
- Environmental and safety compliance with RoHS 3 and REACH, making it suitable for global supply chains and regulated industries.
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address critical industrial challenges, such as misalignment and component wear in machinery. The alloy steel material, combined with a black oxide finish, provides superior strength and corrosion resistance, ideal for high-stress environments like automotive assemblies, precision equipment, and robotics. The knurled head and hex drive facilitate quick, secure fastening, while the precisely machined shoulder ensures accurate positioning and reduces friction in rotating parts. By adhering to ISO 7379 and featuring a coarse thread pitch, it streamlines maintenance and enhances operational efficiency, making it a reliable choice for engineers seeking durability and compliance in metric shoulder bolt applications.
Specification Summary & Compliance
This shoulder screw maintains tight dimensional tolerances, including a shoulder diameter of 10 mm with a tolerance of -0.072 to -0.01 mm and shoulder length of 8 mm with 0 to 0.25 mm tolerance. Thread specifications feature Class 5g6g fit for precise engagement, with a right-hand metric thread (M8x1.25mm). It complies with ISO 7379 manufacturing standards and is verified to be RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring environmental safety and regulatory adherence.