R25 drill rod is one of the prodtucts from TAISHAN rock tools , we can provide Hex22- R25 and Hex25-R25 drill rod , the length from 0.5m -5m , the material we use 23CrNi3Mo, 45SiMnCrNiMo etc , Advanced normalizing technology reduces the pre-stress of the drill steel to improve product lifespan .
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