SC120-W16 is a precision steel ring fastener manufactured from C1008 steel with bright nickel chrome plating finish. The component features a ring diameter of 1.8mm and a rib diameter of 2.3mm, with a general tolerance of ±0.5mm unless otherwise noted. The fastener is designed with four mounting holes of Ø4.6mm (±0.2mm tolerance) and an overall diameter of Ø115.6mm, providing robust mechanical performance. The product is RoHS/REACH compliant, making it suitable for applications requiring environmental and regulatory compliance in industrial assembly, automotive, and consumer electronics sectors.