This is a genuine replacement sprocket found underneath the side cover assembly of a chainsaw. It is sold individually. It sits in between the E-ring and gasket. The sprocket engages and drives the chainsaw chain. This is a high wear part, that is commonly replaced. Worn sprockets can cause the chainsaw to skip, jerk, drag or stretch. A w...Read moreorn sprocket can affect the efficiency of the chainsaw and can cause other components connected to it to wear faster. This is a crucial part of your equipment and should be replaced immediately if damaged.
This tapping screw has multiple purposes for a few different types of equipment. Its size is ST4.2 x 19. A few of its uses include the screw for the trailing shield on lawn mowers, and the screw that attaches the handle to the saw on chainsaws. These are two very vital components that would be unsafe to operate if they were fitting loosel...Read morey, so it is important to replace any of these screws that may be damaged or missing. This is an OEM screw made by EGO. If replacing this screw, it is a good opportunity to inspect the entire component for any other screws that may be damaged so you can order them all at once.