flat bottom milling shoes and bits

{"cid":"91186823","title":"Alloy Steel Rugged Junk API Drilling Rig Fishing Tools","imgUrl":"https:\/\/img.chinax.com\/nimg\/9f\/77\/58d60ddf85bd0ea56b4836ea3d6a-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"TR Solids Control","Model Number":"LL-F89 ~ LL-F381","Minimum Order Quantity":"1 pc","Delivery Time":"30 days","Certification":"API","Place of Origin":"Xi'an China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"10000 Pcs Per Month","Packaging Details":"Pallet or wooden case","Size":"89 ~ 381mm","Material":"Alloy steel, carbon steel","Usage":"Well Drilling, Downhole Drilling","Warranty":"12 months"}}