本产品的品牌是陈记，型号是石材烧结开孔器，类别是扩孔钻，材质是金刚石，加工定制是是，规格（直径*全长）是6MM,8MM,10MM,12MM,14MM,16MM,18MM,20MM,22MM,28MM,30MM,32MM,35MM,40MM,42MM,45MM,50MM,55MM,60MM,65MM,70MM,75MM,25MM,100MM