7461| 19
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npt 1/4內(nèi)螺紋,鐵屑排不出,10來個(gè)就壞刀頭,,有時(shí)只有幾個(gè) |
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點(diǎn)評(píng)
加工中心引一半牙,?用加工中心攻絲,,好有錢呀,OSG的絲錐這么便宜呀,,我一直都用100以上的,。成本還是太高,半支白鋼條,,搞定
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