Chainsaws and bar studs therefor

A fastener assembly for a chainsaw having a guide bar extending from a housing, wherein the guide bar is positioned between an interior wall of the housing and a casing interior to the housing, the fastener assembly comprising:

• an outer fastener;
• an inner fastener;
• and
• a bar stud, wherein the bar stud comprises a plate comprising a first side, a second side, and an anti-rotation interface, wherein the bar stud comprises a first threaded member extending from the first side of the plate, the bar stud comprising a second threaded member extending from the second side of the plate, wherein when the plate is positioned between the guide bar and the casing, the outer fastener is threadable onto the first threaded member and extendable through the housing, and the second threaded member is extendable through the casing and threadable onto the inner fastener.

A method for attaching a guide bar to a housing and a casing at a chainsaw, the method comprising:

• positioning a plate of a fastener assembly between the guide bar and the casing;
• extending a first threaded member from the plate through a housing, wherein a first threaded end of the first threaded member extends to an exterior area outside of the housing;
• extending a second threaded member from the plate through the casing, wherein a second threaded end of the second threaded member extends to an interior area inside of the housing;
• fastening the second threaded member to an inner fastener at the interior area;
• and
• fastening the first threaded member to an outer fastener at the exterior area.