S-91273A402 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel material, ideal for harsh industrial environments and reducing maintenance costs.
• Precise alignment and secure component positioning thanks to the 6mm shoulder diameter with tight tolerance, minimizing assembly errors.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable load-bearing in demanding applications.
• Easy installation and removal with a knurled hex socket head and 3mm drive, providing excellent grip and reducing tool slippage.
• Consistent threading accuracy with Class 5g6g metric coarse thread (M6x1mm), ensuring smooth engagement and vibration resistance.
• Enhanced durability from Rockwell B55 hardness, resisting wear and extending service life in repetitive use scenarios.
• Compliance with environmental regulations including RoHS 3 and REACH, making it safe for various global industrial markets.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in precision assemblies. The 18-8 stainless steel construction provides excellent resistance to corrosion and oxidation, crucial for machinery in humid or chemical-exposed settings. Its hex socket head with a knurled texture ensures secure tool engagement, reducing the risk of stripping during high-torque applications. The 6mm shoulder diameter acts as a precise locating feature, allowing for accurate alignment in industrial equipment like rotating shafts, bearings, and linkages. Combined with the Class 5g6g thread and coarse pitch, it offers reliable fastening in high tensile environments, minimizing loosening from vibrations and enhancing overall assembly integrity.

Specification Summary & Compliance

This shoulder screw adheres to metric standards with an M6x1mm coarse thread size and Class 5g6g thread fit for precise dimensional accuracy. The shoulder features a diameter of 6mm with a tolerance of -0.04 to -0.01 mm and a length of 6mm with a tolerance of 0 to 0.25 mm, ensuring consistent performance. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications.