Description Black Ball Mill Custom Nuts and Bolts Name:Bolts Nuts Washers Material Grade: 45 Steel,40Cr,35CrMo,304,316,42CrMo Production Process:Forging & Tapping Process Size:Customized or according to drawings Surface Treatment: Blackening Quality Level: Grade 12.9,10.9,8.8,6.8 Bolts Nuts & Washers have been widely used in ball mills,SAG mills,AG mills. The high strength screws can be reliably used in cement mills,coal mils and mine mills. The high tensile fasteners have been properly heat-treated to achieve better mechanical properties. Each set of standard bolt unit includes one bolt, one rubber ring,concave washer,spring washer and nut. Material Grade:
Weight （kg/1000pc） Size Without Nuts With Nuts M30*100 765 999 M30*110 820 1054 M30*120 875 1109 M30*130 931 1165 M30*140 956 1220 M30*150 1042 1276 M30*160 1098 1332 M30*170 1154 1388 M30*180 1210 1444 M30*190 1266 1500 M30*200 1322 1556 M30*210 1378 1612 M30*220 1434 1868 Our Experience: 13 Year Experience in Heat-resistant Steel Field 18 Year Expertise in Wear-resistant Material Field 20 Year Customer-made High Quality Castings & Forgings Trading Terms: The nearest seaport: Shanghai port The nearest airport: Shanghai Pudong airport Payment Terms:L/C,TT,West Union,Paypal Payment Condition:50% before production, 50% before delivery against complete set of inspection report Supply Capability: 10,000 tons per year Sample Availability: yes Sample Time:15-30 Days Packing: Plywood Cases or Steel Crates Delivery time: 45 working days per 20 tons regular castings & forgings Service: OEM, ODM or Customized 20-year Foundry Operation Experience. Friendly & High Efficient Technical & Commercial Communication Professional Export Practices: Exported to +60 Overseas Countries.