m25 railroad track bolts and nuts

{"cid":"91202312","title":"Grade 12.9 Railway Track Fasteners , M25 Railroad Track Bolts And Nuts ODM","imgUrl":"https:\/\/img.ismap.com\/nimg\/ab\/57\/befb178b8c9a3ced8d1e5803ec07-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Kingrail","Model Number":"M6-M125","Minimum Order Quantity":"Negotiable","Delivery Time":"5-8 work days","Certification":"CE, ISO, CB","Place of Origin":"China","Supply Ability":"500ton\/Month","Packaging Details":"20-25kg\/Carton+900kg Palle","Available Material":"High Strength Steel, Stainless Steel, Carbon Steel","International Standard":"DIN, ANSI, GB, JIS, Bsw, GOST","Used":"railway fastening syestem","Head Type":"Square head and Squre Lag nuts","Class\/Grade":"12.9","Surface Finishing":"Hot DIP Galvanizing, Black","Finish":"black ,plain or customzed painting etc","Specification":"M25","Name":"Nut and Bolt Grade 12.9 Top Quality Square head and Nuts Lag Heavy Head Railway Fish Plate Bolt Fishtail Screw"}}