S-90269A779 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Secure, non-slip installation enabled by the knurled head and 6mm hex socket drive
• Precise component alignment and spacing with a 20mm shoulder length and tight diameter tolerance
• High mechanical strength and durability for demanding applications, with a tensile strength of 70,000 psi
• Reliable, coarse-pitch threading (M8x1.25) with Class 5g6g fit for easy assembly and consistent performance
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring material safety

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to solve critical alignment and mounting challenges in industrial machinery, automation systems, and precision instruments. The 316 stainless steel material provides exceptional resistance to chemicals and saltwater corrosion, making it ideal for food processing, marine, and chemical industry applications. The 20mm shoulder length with its precise diameter acts as a pivot, bearing surface, or spacer, eliminating the need for additional components and reducing assembly time. Combined with the hex socket drive and knurled head, it ensures vibration-resistant, tool-accessible fastening in confined spaces, enhancing overall equipment reliability and lifespan.

Specification Summary & Compliance

This metric shoulder screw features an M8x1.25 coarse thread with a Class 5g6g thread fit for standard industrial applications. The shoulder diameter tolerance is -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. The product is manufactured to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety standards.