产品说明规格表单位(Unit):mm外径(D)长度A(L)长度B(L)刀头尺寸齿数InchMetric厚度(T)高度(X)11/8″273754503.78.5311/3″323754503.78.5312/5″363754503.78.5313/4″443754503.78.552″513754503.68.5521/4″5637545048.5521/2″6337545048.563″7637545048.5731/4″8337045048.5831/2″8937045048.5933/4″9635042048.594″10235042048.51043/4″120350420/50048.5115″1273504204.28.51251/5″132350420/5004.58.5136″1523504204.58.51461/3″1603504204.58.5167″1803504204.58.518蓝钻系列：用于一般民用建筑、混凝土、砖墙打孔。红钻系列：用于***用户、桥梁工程、地铁工程、高标号钢筋混凝土打孔。)