S-98621A148 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 demanding environments.
• Exceptional strength and durability with a tensile strength of 70,000 psi and Rockwell B55 hardness, ensuring reliable performance under high stress.
• Precise alignment and secure fit enabled by the precisely machined 8mm shoulder diameter and 16mm shoulder length with tight tolerances.
• Reliable and consistent threading with a Class 6g thread fit and M6x1mm coarse thread, providing secure fastening and easy assembly.
• Easy installation and removal using a standard 4mm hex socket drive, allowing for efficient maintenance and assembly in confined spaces.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global industrial applications.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to solve critical alignment challenges in industrial machinery, automation systems, and precision instruments. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, while the TiCN coating significantly enhances surface hardness and reduces wear, making it ideal for high-cycle applications. The M6x1mm coarse thread with Class 6g fit ensures quick, secure fastening with minimal risk of cross-threading. The precisely controlled shoulder diameter and length act as a reliable pivot or spacer, maintaining exact component positioning and reducing assembly errors. This makes it a vital component for industrial applications requiring repeatable accuracy and long-term reliability, from conveyor systems to robotic arms.

Specification Summary & Compliance

This M6 shoulder screw features a Class 6g thread fit per metric standards, with a shoulder diameter of 8mm (tolerance: -0.025 to 0 mm) and shoulder length of 16mm (tolerance: 0 to 0.05 mm) for precise assembly. It is manufactured from 18-8 stainless steel with a TiCN coated finish, right-hand thread direction, and coarse thread spacing. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.