S-98621A147 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion and wear resistance thanks to 18-8 Stainless Steel construction and a durable TiCN coating, extending service life in harsh environments.
• Exceptional mechanical strength with a tensile strength of 70,000 psi and Rockwell B55 hardness, ensuring reliable performance under high-stress conditions.
• Precise and secure assembly enabled by the Class 6g thread fit and coarse M6x1mm thread, providing consistent clamping force and vibration resistance.
• Accurate component alignment due to the precisely machined 8mm shoulder diameter with a tight tolerance, minimizing play and misalignment.
• Easy installation and high torque capability with a standard 4mm hex socket drive, allowing for efficient assembly with common tools.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.
• Versatile right-hand metric thread design for broad compatibility with standard industrial components and machinery.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to solve critical alignment and durability challenges in demanding industrial applications. The 18-8 Stainless Steel core provides excellent corrosion resistance, while the TiCN coating significantly enhances surface hardness and wear resistance, making it ideal for high-friction environments like automated machinery, precision instruments, and conveyor systems. The precise shoulder with its controlled diameter and length ensures accurate locating and spacing of parts such as gears, pulleys, and linkages, reducing wear and maintenance downtime. Combined with the Class 6g thread fit and coarse thread pitch, it offers reliable fastening that resists loosening under vibration, ensuring long-term operational integrity in assembly lines, robotics, and heavy equipment.

Specification Summary & Compliance

This metric shoulder screw features an M6x1mm coarse thread with a Class 6g thread fit per ISO standards, ensuring dimensional accuracy. The shoulder diameter is 8 mm with a tolerance of -0.025 to 0 mm, and the shoulder length is 12 mm with a tolerance of 0 to 0.05 mm, providing precise fit for alignment applications. It is manufactured from 18-8 Stainless Steel with a TiCN finish, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.