The grooved square box is manufactured according to the standard and the material is used for inspecting and marking the parallelism and verticality of parts. The universal square box is used for inspecting or marking any angle lines of precision workpieces. It can be made into various specifications and etc. according to user requirements. Tall square boxes and rectangular tubes.
Flatness of the working surface
Verticality and parallelism of the working surface and parallelism of the groove to the bottom and side surfaces
Accuracy level< br/>
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200*300 cast iron square box for sale, T-slot inspection square box, cast iron square box price