R32-45 Threaded Button Bits | Rock Drill Bits | Rock ...
Rock drilling tools manufacturer ProDrill offers rock drill bits: R32 Threaded Button Bits is the most important size for drifting and tunneling drilling job.. We will choose to use tungsten carbide of T6,featuring good wear-resistance and toughness. This type of carbide has already been proved to be the best in world and been competing with those big names worldwide for quite a long time.
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