Our general machining tolerance is +/-0.15mm due to the general tolerances used in the manufacture of the enclosures. As a result, we are unable to guarantee positional tolerances of less than +/- 0.25mm for any machined feature relative to the external surfaces of the enclosure. This also applies to the positional tolerance of any dimension taken from any internal post or other internal location or from theoretical centre lines.
Machined features such as cut-outs and holes can be machined to sizes with a tolerance of +/-0.15mm and the tolerance between one machined feature and another can be machined to a tolerance of +/- 0.15mm.
Tolerances on the cut lengths of extrusion enclosures are +/- 0.50mm
The minimum corner radius we can achieve is 0.75mm due to the minimum cutter diameter.