Civil Engineering Reference
In-Depth Information
Fig. 5.14. Toolmaker's buttons are screwed to the workpiece in the exact position
where the hole is required so you can clock them up true.
Fig. 5.15 Toolmaker's buttons can be set on top of a parallel to ensure they are set at
an exact distance from an edge.
Fig. 5.16 Toolmaker's buttons can be set with a spacer between them to ensure they
are set at an exact distance apart. This can be combined with the parallel method.
