S-90265A271 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing replacement frequency.
• Precise component alignment and pivot points ensured by the 55mm shoulder with controlled diameter tolerance for reliable assembly.
• High mechanical strength offering 70,000 PSI tensile and 45,000 PSI shear strength, suitable for demanding load-bearing applications.
• Secure and slip-resistant installation with a knurled socket head and 4mm hex drive, providing excellent tool grip and torque transmission.
• Consistent and reliable thread engagement due to Class 5g6g thread fit and M6x1mm coarse pitch for faster assembly and vibration resistance.
• Durability and wear resistance from Rockwell B83 hardness, maintaining performance under repeated use.
• Global compliance and safety meeting ISO 7379 standards, RoHS 3, and REACH, ensuring environmental and regulatory adherence.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and durability challenges in industrial machinery. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or outdoor conditions. The precise 55mm shoulder length and 8mm shoulder diameter act as a reliable locating pin or pivot, reducing misalignment in assemblies like rotating shafts, gears, and linkages. The knurled socket head with a 4mm hex drive ensures secure tool engagement, minimizing slippage during high-torque installation. With a coarse thread pitch of 1mm, it allows for quick assembly and disassembly while resisting loosening from vibrations. Ideal for use in automation, automotive, and precision equipment, this screw enhances operational reliability and reduces maintenance downtime.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing precise manufacturing control. It is manufactured in compliance with ISO 7379 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial applications.