S-90269A743 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
- Superior corrosion resistance in harsh environments with 316 Stainless Steel construction and protective black oxide finish.
- Precise and secure assembly ensured by the Class 5g6g thread fit and M8x1.25mm coarse thread for reliable fastening.
- High-strength performance with a tensile strength of 70,000 psi and a shear strength of 35,000 psi for demanding applications.
- Easy installation and removal with a 6mm hex socket drive and knurled head for improved grip and torque application.
- Accurate component alignment provided by the precision shoulder with a diameter of 12 mm and length of 14 mm.
- Excellent durability from a Rockwell B79 hardness rating, ensuring long service life under mechanical stress.
- Compliance with global standards, including RoHS 3 and REACH, for safe and environmentally responsible use.
Professional Applications & Engineering Value
This M8 shoulder screw is engineered to address critical challenges in industrial settings, such as misalignment and corrosion-induced failure. The 316 Stainless Steel material, combined with a black oxide finish, offers exceptional resistance to chemicals and moisture, making it ideal for machinery, automotive, and marine applications. The hex socket head and knurled texture facilitate quick, tool-friendly installation, while the precision shoulder ensures accurate positioning of components like bearings and pulleys. With a coarse thread pitch of 1.25mm, it provides robust holding power in high-vibration environments, reducing maintenance needs and enhancing operational reliability for B2B clients.
Specification Summary & Compliance
This shoulder screw adheres to metric thread standards with a Class 5g6g thread fit for precise tolerance. Key dimensions include an M8 thread size, 16mm thread length, and a shoulder diameter tolerance of -0.072 to -0.01 mm. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.
