{Good Quality Material}The product is made of 65Mn spring steel, quenched and hardened, internally and externally finely ground, with high precision,high elasticity, tight clamping and stable cutting.
{High Wear Resistance & High Precision}Precision: less than 0.008mm. High precision, small jump value, making the work more accurate and effective.The surface is ground and polished for high wear resistance and heat resistance, the bright outer surface fits better and ensures excellent precision.
{Wide Application}When in use, it needs to be used together with ER tool holder, shank and extension rod nut. This product is widely used in CNC, milling machines, engraving machines, machining centers and other equipment. It is usually used for milling, boring, drilling, wire tapping and other operations.
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