S-90265A573 M4 ISO 7379 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 18-8 stainless steel construction, ideal for harsh industrial environments.
- Enhanced durability and strength with 70,000 psi tensile strength and 45,000 psi shear strength for reliable performance under load.
- Precise thread engagement with Class 5g6g thread fit and coarse 0.7mm pitch, ensuring secure fastening and easy installation.
- Secure grip and torque application thanks to the hex socket drive and knurled head, reducing slippage during assembly.
- Accurate shoulder positioning with controlled diameter and length tolerances, providing stable alignment in assemblies.
- Compliance with international standards including ISO 7379, RoHS 3, and REACH, ensuring safety and regulatory adherence.
- Durable black oxide finish that adds an extra layer of corrosion protection and reduces light reflection.
Professional Applications & Engineering Value
This M4 shoulder screw is engineered to address critical challenges in precision assemblies, such as maintaining alignment and resisting wear in dynamic applications. Made from 18-8 stainless steel, it offers excellent corrosion resistance, which is vital for machinery exposed to moisture or chemicals. The black oxide finish enhances durability while minimizing glare, and the hex socket drive with a knurled head ensures reliable torque transmission, reducing the risk of tool slippage. With a coarse thread pitch and precise shoulder dimensions, it provides stable support in industries like automation, electronics, and automotive, where exact positioning and high shear strength are essential for long-term performance.
Specification Summary & Compliance
The screw features a metric thread with M4 size and 0.7mm pitch, conforming to Class 5g6g thread fit for precise tolerance. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring accurate assembly. It meets ISO 7379 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity.
