S-98621A132 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional wear resistance due to TiCN coating, extending service life in high-friction applications
• Reliable corrosion protection from 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise alignment and positioning enabled by the 20mm shoulder with tight tolerances for consistent assembly
• High tensile strength of 70,000 psi ensures secure fastening under demanding mechanical loads
• Easy installation and removal with 2.5mm hex socket drive, reducing assembly time and tool wear
• Accurate Class 6g thread fit guarantees smooth engagement and reduces cross-threading risks
• Compliance with RoHS 3 and REACH ensures environmental safety and regulatory acceptance

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The TiCN coated 18-8 stainless steel provides superior surface hardness and corrosion resistance, making it ideal for applications in machinery, automotive, and electronics where repeated motion and exposure to elements occur. The 20mm precise shoulder length with minimal tolerances ensures exact component positioning, reducing wear on mating parts and maintaining operational accuracy. With a coarse thread pitch of 0.7mm and Class 6g thread fit, it offers quick assembly and reliable performance in high-vibration environments, minimizing downtime and maintenance costs for industrial users.

Specification Summary & Compliance

This shoulder screw features a metric thread size M4 x 0.7mm with Class 6g thread fit for standard tolerance. The shoulder diameter is 5mm with a tolerance of -0.025 to 0 mm, and shoulder length is 20mm with a tolerance of 0 to 0.05 mm, ensuring precise fit. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial applications.