Hartmetall Ventilsitz einseitig Reibahle verstellbar Ventilbohrfräser Ventilreibahle
162,31 €
At the beginning of reaming, it should be lightly rotated for one week and then accelerated to accelerate the uniform speed reaming of the valve seat ring, which can reach the ideal working surface of the valve opening to ensure that the blade does not jump.
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