dustproof down the hole drill bits

{"cid":"91222788","title":"Antiwear Down The Hole Drill Bits Dustproof For Gas Exploration Customization","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/9d\/7a\/5ba757195f0213828eddb9d632bf-200x200-1.jpg","attrs":{"Model NO.":"Rock Drilling DTH Hammer Bit Down The Hole Hammer","Surface Treatment":"Spray-Paint","Manufacturing Process":"Forging","Material":"Alloy Steel","Mining Type":"Mining","Advantage":"High Performance","Name":"Rock Drilling DTH Hammer Bit Down The Hole Hammer","Transport Package":"Ply-Wood Case for Safe Delivery","Specification":"DHD","Trademark":"Super Diamond","Origin":"China","HS Code":"8412310090","Supply Ability":"50, 000PCS \/ Year","Customization":"Available","Warranty":"2 Month","Certification":"ISO 9001:2008"}}