S-90265A108 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Exceptional mechanical strength with 70,000 psi tensile and 45,000 psi shear strength, ensuring secure fastening under load.
• Precise component alignment thanks to the 25mm shoulder with controlled diameter tolerance, minimizing assembly play.
• Easy installation and removal with the 2mm hex socket drive and knurled head for enhanced grip and torque application.
• Reliable coarse thread engagement with M2 x 0.4mm Class 5g6g fit, providing quick assembly and vibration resistance.
• Consistent hardness and durability with Rockwell B83 rating, maintaining performance over repeated use.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable sourcing.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and spacing challenges in precision assemblies. The 25mm shoulder length acts as a precise pivot or axle, eliminating the need for additional bushings in applications like rotating machinery, electronics, and optical devices. Manufactured from 18-8 stainless steel, it offers excellent corrosion resistance, which is vital for medical equipment, food processing machinery, and outdoor applications exposed to moisture. The hex socket drive and knurled head texture ensure secure tool engagement, reducing the risk of stripping during high-torque installation. With its coarse thread and Class 5g6g fit, this screw provides rapid assembly and reliable holding power, minimizing downtime in automated production lines. Its high tensile strength and Rockwell B83 hardness ensure it withstands dynamic loads, making it a dependable choice for demanding industrial environments.

Specification Summary & Compliance

This shoulder screw features a M2 x 0.4mm coarse thread with Class 5g6g thread fit per metric standards, ensuring precise thread engagement. The shoulder diameter is 3 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 25 mm with a tolerance of 0 to 0.25 mm, providing high dimensional accuracy for consistent performance. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, confirming its adherence to environmental and safety regulations.