S-90269A511 M3 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 industrial environments.
- High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications.
- Precise alignment and smooth rotation ensured by the 5mm diameter shoulder with tight tolerances and standard fit.
- Secure, slip-resistant installation using the 2.5mm hex socket drive and knurled head for enhanced grip and torque application.
- Consistent thread engagement with M3 x 0.5mm coarse pitch and Class 5g6g thread fit, facilitating quick assembly and disassembly.
- Durable performance backed by Rockwell B79 hardness, ensuring long-term reliability under mechanical stress.
- Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe use in various industries.
Professional Applications & Engineering Value
This M3 shoulder screw is engineered to address common challenges in precision assemblies, such as misalignment and wear. Made from 316 stainless steel with a black oxide finish, it resists corrosion in moist or chemical-laden settings, extending service life. The 5mm shoulder diameter and 17mm shoulder length with minimal tolerances provide exact positioning for components like bearings or gears, reducing vibration and part failure. The hex socket drive and coarse thread pitch enable efficient installation in tight spaces, making it ideal for machinery, automotive, and electronics where reliability and metric thread standards are critical.
Specification Summary & Compliance
This shoulder screw adheres to precise dimensional standards, including a Class 5g6g thread fit for metric applications, with shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial use without hazardous substances.
