S-91273A417 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• Precise component alignment ensured by the 60mm shoulder with controlled diameter tolerance for smooth bearing or bushing fit.
• High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing in demanding applications.
• Secure and easy installation using the 3mm hex socket drive and knurled head for improved grip and torque application.
• Accurate and reliable threading with Class 5g6g fit M6x1mm coarse thread, ensuring consistent fastening and interchangeability.
• Environmental compliance meeting RoHS 3 and REACH regulations, making it suitable for regulated industries and global supply chains.
• Durability under shear stress with a minimum 35,000 psi shear strength, providing robust performance in pivoting and rotational assemblies.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and wear challenges in mechanical assemblies. The 60mm shoulder length acts as a precise axle or pivot point, eliminating the need for separate spacers and reducing assembly complexity in machinery, automation systems, and precision instruments. Manufactured from 18-8 stainless steel, it offers excellent resistance to rust and corrosion, which is vital for applications in food processing, medical equipment, or outdoor machinery. The hex socket head with a knurled texture allows for secure tool engagement and manual adjustment, even in tight spaces. Combined with the Class 5g6g thread fit, this metric shoulder screw ensures vibration resistance and maintains positional accuracy in high-stress rotational environments, enhancing overall equipment reliability and reducing maintenance downtime.

Specification Summary & Compliance

This shoulder screw features an M6x1mm metric coarse thread with a Class 5g6g thread fit for standard industrial applications. The shoulder diameter is 6 mm with a tolerance of -0.04 to -0.01 mm, and the shoulder length is 60 mm with a tolerance of 0 to 0.25 mm, ensuring high dimensional accuracy. It is manufactured to common industrial standards for shoulder screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated markets.