
Hex Nut Carbon Steel DIN6334 Long Hex Coupling Nut. Wide Size Range: Available in sizes M12-M24 and 1/2'-1' to meet diverse application needs. Multiple Material Options: Constructed from Carbon Steel (Q195/Q215) or Stainless Steel (SS304/SS316). Various Finish Choices: Surface treatments include ZP, Black, HDG, and Polishing for corrosion resistance. OEM/ODM Support: Custom manufacturing services accepted for specific design requirements. Strict Quality Control: Every production link is inspected with MTC and mill certificates provided. Free Sample Policy: Free standard samples available for new customers (buyer pays shipping). Established Manufacturer: Factory established in 1997 with 10,000 sqm plant area and 31 employees. Flexible Payment Terms: Accepts T/T, LC, D/P with options for advance payment or balance on B/L.