Diamond Diamond back bolt drill

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{"cid":"108593","pid":"21195498","pimg_url":"\/\/img1.b2bforus.com\/fd\/34\/678b1d637793\/product\/70551124_s-w400xh400.jpg","name":"High Quality and Affordable Hot Hole Diamond Back Bolt Drill Bottom Increasing with Low Price in China","attrs":{"Price":"Negotiable","MOQ":"500 Pieces","Delivery Time":"Negotiable","Brand":"JIULING"}}

{"cid":"108593","pid":"21195483","pimg_url":"\/\/img1.b2bforus.com\/fd\/34\/678b1d637793\/product\/70551043_s-w400xh400.jpg","name":"Bottom Expanding Diamond Welded Hole Anchor Bits Back Bolt Drill For Back Bolt Drilling Machine","attrs":{"Price":"Negotiable","MOQ":"500 Pieces","Delivery Time":"Negotiable","Brand":"JIULING"}}