On Wed, Jul 1, 2009 at 7:50 PM, Ronn! Blankenship < ronn_blankens...@bellsouth.net> wrote:
> I have a new lawn mower. According to the instructions I need to change > the oil before using the mower again (the instructions say to change the oil > after the first 5 hours of operation, which is about how long it ran mowing > the whole yard twice, which is what I've done with it up to now). The drain > plug is in the form of a screw with a square-shaped recess in the outer end. > I know that the tool used on such a screw with a hexagonal recess is > sometimes referred to as an "Allen" wrench. Does anyone know what the > proper name is for a tool that fits a screw or bolt with a square-shaped > recess in the head, so I know what to look/ask for? A square drive. You should be able to find one that fits a socket wrench. Ideally, your owners manual will tell you what size to get. Otherwise, you'll have to measure, which is tricky... and it'll help if you know if it's metric or SAE. Nick
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