债券的持有必须相匹配的硬度或柔软的材料被切割钻石组成。
The composition of the bond that holds the diamonds must be matched to the hardness or softness of the material being cut.
用途：用于切割高硬度花岗岩、大理石，钢筋混凝土木材PV C管件砖头角钢螺纹钢等各类材料。
USES: used for cutting high hardness granite, marble, concrete timber PVC tube brick Angle steel rebar and other kinds of materials.
方形兜孔钢保持架因为钢架硬度高、拉削难度大等特点，始终采用线切割加工方兜孔。
The working for square pockets of turning steel cages having high hardness and difficult to broach is conducted in linear cutting.
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