BOS-12D-4BOS-12D-4-#160BOS-12D-4-#400BOS-12D-4-#600BOS-12D-4-#1200金刚石砂轮特性可用于去毛刺、切削、去瑕疵、刀具消除等。BOS-12D-4 规格 金刚石砂轮#160/#400/#600#1200各4个质量/质量单位 180g