S-90265A589 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
- Enhanced corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Superior load distribution from the 20mm shoulder, reducing wear on mating components
- High-strength performance with 70,000 psi tensile strength and 45,000 psi shear strength for demanding applications
- Precise thread engagement with Class 5g6g fit and coarse 0.7mm pitch for quick assembly and reliable fastening
- Secure hex drive operation using a 2.5mm hex key, preventing cam-out and ensuring consistent torque application
- Durable black oxide finish providing added corrosion protection and reduced light reflection
- Knurled head texture for improved grip during manual installation and adjustment
Professional Applications & Engineering Value
This M4 shoulder screw delivers exceptional engineering value in precision assembly applications where alignment and spacing are critical. The 20mm shoulder length acts as a precise locating dowel, eliminating the need for additional bushings or spacers in machinery, robotics, and automation equipment. Manufactured from 18-8 stainless steel with a black oxide finish, it resists corrosion in demanding environments while maintaining dimensional stability. The socket head design with hex drive allows for high torque application in confined spaces, making it ideal for precision instruments, optical equipment, and electronic enclosures where vibration resistance and repeated adjustments are required.
Specification Summary & Compliance
This precision metric shoulder screw features M4 x 0.7mm coarse threads with Class 5g6g thread fit tolerance, ensuring consistent performance in industrial applications. The shoulder diameter maintains tight tolerance of -0.072 to -0.01 mm while the shoulder length tolerance is controlled within 0 to 0.25 mm. Manufactured to meet ISO 7379 specifications and compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, this component is suitable for global industrial applications requiring certified quality and material safety.
