S-90265A188 M3 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 and extended service life.
- Precise component alignment and pivot points ensured by the 5mm shoulder with controlled diameter and length tolerances.
- High mechanical strength and durability from a Rockwell B83 hardness and 70,000 psi tensile strength, resisting deformation under load.
- Secure, high-torque installation facilitated by the internal hex drive (2.5mm) and knurled head for improved grip.
- Reliable thread engagement with a Class 5g6g thread fit on the M3 x 0.5 mm coarse pitch, ensuring consistent fastening.
- Global standard compliance with ISO 7379, guaranteeing dimensional interchangeability and quality.
- Environmentally responsible manufacturing with compliance to RoHS 3 and REACH regulations.
Professional Applications & Engineering Value
This M3 shoulder screw is engineered to solve critical alignment and wear issues in precision assemblies. The 5mm shoulder length acts as a precise spacer or pivot, eliminating the need for additional components and reducing assembly complexity. Manufactured from 18-8 stainless steel, it provides excellent resistance to rust and corrosion, making it suitable for demanding applications in machinery, automation, and electronics. The coarse thread pitch and Class 5g6g thread fit allow for rapid assembly and reliable performance in high-vibration environments. The combination of a socket head with a hex drive and knurled texture ensures secure driving and prevents tool slippage, protecting the fastener and the assembly during maintenance or installation.
Specification Summary & Compliance
This shoulder screw features an M3 x 0.5 mm thread with a Class 5g6g thread fit. The shoulder has a diameter of 5 mm (tolerance: -0.072 to -0.01 mm) and a length of 5 mm (tolerance: 0 to 0.25 mm). It is manufactured to meet ISO 7379 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards.
