S-90269A461 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 from 316 stainless steel and black oxide finish, ideal for harsh environments and extended service life.
- Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under high stress.
- Precise alignment and smooth rotation enabled by the 22mm shoulder with controlled diameter and length tolerances.
- Secure, slip-resistant installation thanks to the knurled socket head and 2 mm hex drive for firm tool engagement.
- Accurate and reliable threading with Class 5g6g fit and M3x0.5 coarse pitch for easy assembly and consistent fastening.
- Compliance with strict environmental regulations, being RoHS 3 and REACH compliant for safe, global industrial use.
- Rockwell B79 hardness provides excellent wear resistance and durability in repetitive motion applications.
Professional Applications & Engineering Value
This M3 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 316 stainless steel material, combined with a black oxide finish, offers outstanding resistance to corrosion and chemicals, making it suitable for medical devices, food processing equipment, and marine applications. The 22mm shoulder length with tight tolerances ensures precise component spacing and smooth rotational movement, reducing wear and maintenance. The knurled head and hex drive facilitate secure installation in confined spaces, while the Class 5g6g thread fit guarantees consistent engagement and vibration resistance. Ideal for pivots, guides, and rotating mechanisms, this screw enhances operational reliability and longevity in demanding industrial environments.
Specification Summary & Compliance
This shoulder screw features a metric M3x0.5 coarse thread with Class 5g6g fit for precise threading. Dimensions include a shoulder diameter of 4 mm (tolerance: -0.072 to -0.01 mm) and shoulder length of 22 mm (tolerance: 0 to 0.25 mm), ensuring high accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for environmentally conscious and regulated industries.
