S-90269A512 M4 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 with 316 Stainless Steel construction and Black Oxide finish, ideal for harsh environments
- Precise alignment and smooth rotation ensured by the 12mm shoulder with tight diameter tolerance (-0.072 to -0.01 mm)
- High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing applications
- Secure, non-slip installation using the hex socket drive and knurled head for enhanced grip during tightening
- Accurate and durable thread engagement with Class 5g6g fit and coarse M4 x 0.7mm metric thread
- Environmental and regulatory compliance meeting RoHS 3 and REACH standards for safe industrial use
- Optimized for repetitive assembly thanks to Rockwell B79 hardness and consistent shoulder length tolerance (0 to 0.25 mm)
Professional Applications & Engineering Value
This M4 shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion-induced failure, and assembly inefficiency. The 316 Stainless Steel material, combined with a Black Oxide finish, provides exceptional resistance to chemicals, moisture, and high temperatures, making it suitable for precision machinery, automotive components, and marine equipment. The 12mm shoulder length and controlled diameter tolerance allow for exact positioning of moving parts, reducing wear and extending service life. With a hex socket drive and knurled head, it ensures quick, secure installation in tight spaces, enhancing productivity in automated assembly lines. The coarse metric thread (M4 x 0.7mm) and Class 5g6g thread fit deliver reliable fastening in high-vibration environments, minimizing maintenance needs and downtime.
Specification Summary & Compliance
This shoulder screw features precise dimensional control, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, adhering to metric thread standards with a Class 5g6g thread fit for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications.
