S-92981A303 M8 ISO 7379 Shoulder Screws
Shoulder Screws
Image may differ from product. See technical specification for details.
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 black oxide finish, ideal for harsh industrial environments
- Superior load-bearing capacity from alloy steel construction, offering 140,000 psi tensile strength and Rockwell C32 hardness
- Precise alignment and secure positioning due to the 10 mm shoulder diameter with tight tolerance for stable assemblies
- Easy installation and removal with hex socket drive and knurled head for improved grip and torque application
- Reliable thread performance with Class 5g6g fit and M8x1.25mm coarse thread, ensuring consistent fastening in high-vibration applications
- Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing safety and regulatory adherence
- Versatile shoulder length of 20 mm for spacing components accurately in machinery and equipment setups
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in high-stress assemblies. Made from alloy steel with a black oxide finish, it resists corrosion and extends service life in demanding environments like automotive, robotics, and precision machinery. The socket head with hex drive allows for efficient torque transfer, while the knurled texture enhances handling during installation. With a coarse thread pitch of 1.25mm and Class 5g6g thread fit, it provides secure fastening that withstands vibrations, reducing maintenance needs and improving operational reliability in industrial applications.
Specification Summary & Compliance
This shoulder screw adheres to precise dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring consistent ISO 7379 compliance. The Class 5g6g thread fit guarantees accuracy in metric threading, while the product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for environmental and health safety, supporting reliable performance in regulated industries.
