Tunneling Threaded drill bits

{"cid":"110106","pid":"21349226","pimg_url":"\/\/img1.b2bforus.com\/91\/0b\/17864d4a31bb\/product\/71177673_s-w400xh400.jpg","name":"Chinese Metal Mine Supplier D102 Rock Wire Reamer Drilling Tools Button Drill Bit","attrs":{"Price":"Negotiable","MOQ":"50.0 Pieces","Delivery Time":"Negotiable","Brand":"XTC"}}

{"cid":"110106","pid":"21349217","pimg_url":"\/\/img1.b2bforus.com\/91\/0b\/17864d4a31bb\/product\/71177119_s-w400xh400.jpg","name":"T51 Metal Mine Tungsten Carbide Face Rock Drill Threaded Blue Concave Button Bits","attrs":{"Price":"Negotiable","MOQ":"50.0 Pieces","Delivery Time":"Negotiable","Brand":"XTC"}}

{"cid":"110106","pid":"21349209","pimg_url":"\/\/img1.b2bforus.com\/91\/0b\/17864d4a31bb\/product\/71177039_s-w400xh400.jpg","name":"T38 Metal Mine Threaded Tungsten Carbide Concave Face Engineering Bits Good Rock Water Well Drill Rigs Spare Parts T51 Drill Bits","attrs":{"Price":"Negotiable","MOQ":"50.0 Pieces","Delivery Time":"Negotiable","Brand":"XTC"}}

{"cid":"110106","pid":"21349200","pimg_url":"\/\/img1.b2bforus.com\/91\/0b\/17864d4a31bb\/product\/71179210_s-w400xh400.jpg","name":"T38 Drilling Knob Rock Mining Drill Bits \/ Threaded Drilling Bits","attrs":{"Price":"Negotiable","MOQ":"200 Pieces","Delivery Time":"Negotiable","Brand":"XTC"}}