Alloy steel Rock hole opener

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{"cid":"70171","pid":"17182727","pimg_url":"\/\/img1.tradegrowthhub.com\/7b\/bb\/646699728aa8\/product\/51235166_s-w400xh400.jpg","name":"Wells 3 Wing Step Carbide Drag Bit Step Drill Bit 3 Wing Step Type Water Well Drilling","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

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{"cid":"70171","pid":"17182704","pimg_url":"\/\/img1.tradegrowthhub.com\/7b\/bb\/646699728aa8\/product\/51234768_s-w400xh400.jpg","name":"Wells IAdc horizontal rock drilling tci good tricone reamer bits","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

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{"cid":"70171","pid":"17182650","pimg_url":"\/\/img1.tradegrowthhub.com\/7b\/bb\/646699728aa8\/product\/51234869_s-w400xh400.jpg","name":"Tricone Wells Hole Opener Wells Hole Reamer Tricone Opener Rock Drill","attrs":{"Price":"Negotiable","MOQ":"1.0 Pieces","Delivery Time":"Negotiable","Brand":"chuan shi"}}

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{"cid":"70171","pid":"17182620","pimg_url":"\/\/img1.tradegrowthhub.com\/7b\/bb\/646699728aa8\/product\/51234675_s-w400xh400.jpg","name":"horizontal directional drilling 8 inch hdd horizontal rock reamer drilling bit for hard rock","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable"}}