Sberry
Platinum Member
On the Roosa Master pump there is a bolt to be removed that is spline drive, 6 sided thing. A 1/4 hex fits in it but it looks like a square cut spline. What tool is this?
Here seems to be a pretty good pictorial on the many various drives, including the ribe and the torx, and the torx plus.
The most common specialty screw bits & drives in the Automotive & Diesel Industry - Apex Tool Company
Here seems to be a pretty good pictorial on the many various drives, including the ribe and the torx, and the torx plus.
The most common specialty screw bits & drives in the Automotive & Diesel Industry - Apex Tool Company