corrosion proof 4 inch dth hammer

{"cid":"91222788","title":"6 Inch DTH Hammer Bits for Di650I Di550 Di450 Rig Corrosion Resistant and Durable Spray-Paint Alloy Steel","imgUrl":"https:\/\/img.ismap.com\/nimg\/f6\/7f\/9adafd94a57cb8af80d19896157f-200x200-1.jpg","attrs":{"Product name":"6 Inch DTH Hammer Bits for Di650I Di550 Di450 Rig Corrosion Resistant and Durable Spray-Paint Alloy Steel","Model NO.":"DHD360, M60, SD6, QL60","Manufacturing Process":"Forging","Material":"Alloy Steel","Mining Type":"Mining","Advantage":"High Performance","Color":"Per Request","Transport Package":"Ply-Wood Case for Safe Delivery","Specification":"3inch to 12inch","Trademark":"Super Diamond","Origin":"China","HS Code":"8412310090","Supply Ability":"50, 000PCS \/ Year","Customization":"Available","Certification":"ISO 9001:2008","Surface Treatment":"Spray-Paint"}}

{"cid":"91202120","title":"Corrosion Proof Diameter 203mm Blue Mining Drill Bits Corrosion Proof","imgUrl":"https:\/\/img.ismap.com\/nimg\/7d\/a3\/b78df5f696f2e545e34e453b2bee-200x200-1.jpg","attrs":{"Price":"$3-$300","Brand Name":"MTH","Model Number":"105mm diameter","Minimum Order Quantity":"1 Piece","Delivery Time":"10-15 days","Certification":"ISO9001","Place of Origin":"CHINA","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"10000 pieces per month","Packaging Details":"wooden case","Product name":"CIR 90 Low Air Pressure DTH Down The Hole Drill Button Bit","Diameter":"115mm-240mm","Type":"Drill Bit,low air pressure dth hammer,Carbide Bit","Use":"Well Drilling,Ore Mining,quarry","Packing":"Wooden Case","Usage":"Hole Drilling","Machine type":"Drilling Tool","Material":"Carbide,High Manganese Steel,Tungsten Carbide & Steel","Application":"Rock Drilling,Mining,Construction,quarry,Water Well drilling"}}