grade 8 8 m20 hex jam nut

{"cid":"91200925","title":"Grade 8.8 Alloy Steel Hex Jam Nut M8-M20 Fine Thread Type DIN934","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/19\/a4\/9b404ba3c5df90cea6648ccdcf3f-200x200-1.jpg","attrs":{"Brand Name":"BOZEX","Model Number":"BZX.N1504-M20-1.5","Minimum Order Quantity":"1000PCS","Delivery Time":"5-8working days","Certification":"ISO9001, DIN 934","Place of Origin":"Shenzhen Guangdong China","Payment Terms":"L\/C, T\/T, Western Union","Supply Ability":"50Million pcs per day","Packaging Details":"box size: 20cm*20cm*10cm","Key Words":"Grade 8.8 Alloy Steel Hex Jam Nuts Of M8 - M20 Fine Thread Type","Original Material":"Alloy Steel","Strength Grade":"4.8 \/ 6.8 \/ 8.8 \/ 10.9","Usage":"Bicycles, industrial equipment, construction","Thread Size":"M8 - M20","Finish":"Nickel Plated, Zinc Plated, Natural, Oxide","Port":"Shenzhen, Ningbo, Shanghai"}}

{"cid":"91199727","title":"DIN439 Hex Jam Nut A2 Stainless M4 - M20 Stainless Steel Hex Nuts","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/79\/07\/0121cde7b4fadc28ac75d1318bba-200x200-1.jpg","attrs":{"Price":"USD600-1500\/TON","Brand Name":"TOBO","Model Number":"DIN439","Minimum Order Quantity":"20Kg","Delivery Time":"According to the order","Certification":"CE\/SGS\/ISO","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"Max 150 tons\/month","Packaging Details":"Neutral packaging or customized packaging","Surface":"Dacromet,Black\/Gray Phos,Chrome,Plain,Passivation","Material":"stainless steel,Carbon Steel,brass,Q235,Aluminum","Size":"M2-M12 or customized,M2~M64,M2-M100,M3-M24,1\/2\"-4\"","Standard":"DIN,ISO,DIN ANSI JIS ISO,ANSI,GB","Finish":"Drawing Request,Copper Plating,Zinc black\/Zinc blue","Sample":"Provided,Avaliable (shipping costs needed)","Application":"Cast Iron,Light Alloy,Home Appliance Equipment,Plastic,Wood"}}