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深度計
A depth gauge using stackable extension rods and a 10mm-stroke dial indicator to cover a wide measuring range, with a lifting lever for rapid operation. The 63mm base is made from tool steel, hardened and ground with a micro-lapped reference surface. No.7211. Range ： 0-200mm. Graduation ： 0.01mm. Accuracy ： ±15µm. Base ： 63.5 x 16mm . Contact Point ： Carbide tipped ball point. Stroke ： 10mm. Extension rod ： 5 pcs. (10, 20, 30, 30, 100mm). Measuring Force ： 1.4N. Flatness of base face ： 5µm
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