Has anybody on here ever made large ring spanners to open the gland nut on a cylinder. Just wondering what methods you use to draw the shape of the nut on the steel you will use . If i know that it needs to end up being 140mm spanner is that enough or do i need to know how long 1 of the flats on the nut are. Basically how do you mark the hexagon on the steel :)
Hydraulic cylinder spanner
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