S-90269A940 M27 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure.
• Enhanced durability and wear resistance from the black oxide finish, providing a protective layer against abrasion and reducing galling.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in heavy-duty applications.
• Precise alignment and pivot function with a 100mm shoulder length and controlled diameter tolerance, ensuring smooth rotational movement.
• Secure and easy installation using a standard 14mm hex drive and knurled head for improved grip and torque application.
• Accurate and reliable threading with Class 5g6g fit and coarse M27x3mm metric thread, facilitating quick assembly and vibration resistance.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, ensuring quality and environmental safety for global use.

Professional Applications & Engineering Value

This M27 shoulder screw is engineered to address critical needs in precision machinery and industrial equipment. Made from 316 stainless steel with a black oxide finish, it resists corrosion and oxidation in demanding settings like marine, chemical processing, and food manufacturing. The 100mm shoulder length and precise diameter tolerance provide stable support for rotating components, reducing misalignment and wear in assemblies such as conveyor systems, pivoting arms, and robotic joints. The coarse metric thread and Class 5g6g fit ensure quick, secure fastening, while the hex drive and knurled head allow for efficient installation in tight spaces, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, with a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm for high dimensional accuracy. It conforms to ISO 7379 for manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets environmental and safety regulations for industrial applications.