S-90270A673 M5 Shoulder Screws

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 ensured by the 6mm shoulder diameter with a tight tolerance, minimizing play and vibration in assemblies.
• High-strength performance with a tensile strength of 70,000 psi and Rockwell B55 hardness for reliable load-bearing in demanding applications.
• Secure and repeatable fastening provided by the Class 6g thread fit and M5x0.8 coarse pitch, enabling quick assembly and high resistance to loosening.
• Easy installation and removal with the combination of socket and slotted drive, offering versatility for various tools and access situations.
• Regulatory compliance and safety guaranteed by meeting RoHS 3 and REACH standards, ensuring environmental and user safety.
• Dimensional stability from the precisely controlled 5mm shoulder length and smooth head texture, contributing to consistent performance and a professional finish.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly jigs where exact alignment and durability are paramount. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it suitable for use in moist or chemically aggressive environments without compromising integrity. The 6mm shoulder diameter with precise tolerances acts as a reliable pivot or spacer, eliminating the need for additional bushings and reducing assembly complexity. Combined with the Class 6g thread fit and coarse pitch, it ensures rapid, secure fastening that withstands vibrational stresses in high-cycle applications. The socket head with a slotted drive provides flexibility for installation in confined spaces, enhancing maintenance efficiency. Ideal for robotics, conveyor systems, and electronic enclosures, this screw delivers long-term reliability and reduces downtime.

Specification Summary & Compliance

This metric shoulder screw features an M5 thread size with a 0.8mm coarse pitch and a Class 6g thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter is 6mm with a tolerance of -0.025 to 0 mm, and the shoulder length is 5mm with a tolerance of 0 to 0.05 mm, providing precise shoulder fit for accurate positioning. Manufactured from 18-8 stainless steel, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.