S-90782A118 M8 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 and Rockwell C32 hardness for long-lasting performance in demanding industrial environments.
- Superior corrosion resistance provided by the black oxide finish, extending service life and reducing maintenance needs.
- High tensile strength of 140,000 psi ensures reliable fastening under heavy loads and vibration.
- Precision Class 6g thread fit guarantees consistent, secure engagement and easy assembly in metric applications.
- Secure and easy installation with the 4mm hex drive and knurled head, allowing for better grip and torque application.
- Accurate shoulder dimensions with tight tolerances for precise alignment and spacing in assemblies.
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in various industries.
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address critical alignment and wear issues in precision industrial applications. Made from alloy steel with a black oxide finish, it offers excellent resistance to corrosion and abrasion, making it ideal for machinery, automotive, and electronic assemblies where components must rotate or pivot smoothly on the shoulder diameter. The coarse thread spacing and Class 6g thread fit ensure quick, reliable fastening, reducing assembly time and minimizing the risk of thread damage. Its high tensile strength and knurled head provide secure handling, helping to prevent slippage during installation in high-stress environments.
Specification Summary & Compliance
This shoulder screw features a metric M8x1.25 thread with Class 6g fit and right-hand direction, ensuring precise thread engagement. Dimensions include a shoulder diameter of 8 mm with tolerance from -0.072 to -0.01 mm and shoulder length of 6 mm with 0 to 0.25 mm tolerance for accurate assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial use.
