Seco test bars are primarily used for checking accuracy and to set the axes of the machine tool and tool presetter. Direct run-out between front part and taper is 5 μm maximum. Measurement values are tabulated on the accompanying data sheet and certificate of accuracy. Values and positions for diameter and length measurements are laser engraved on each test bar. The front leading edge can be used for optical presetting. Seco test bars are delivered in a protective case.
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