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Min. Order (MOQ)
1 Piece(s)
20" tci bitrncondition - newrniadc - 535rncutters - tungsten carbide insert chisel type rnbearings - sealedrnnozzle - removablernconnection - 7 5/8" api reg pinrnactual photos shownrnmfg - smith industries - usarnit is suitable for soft and medium-soft strata with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt rock, soft shale, and soft limestone.