
Stainless Steel Carbon Steel Hex Long Nut DIN6334 Coupling Nut. Diverse Material Options: Available in Stainless Steel (A2/A4/A8), Carbon Steel, Brass, and Alloy Steel. Wide Size Range: Sizes available from M4 to M36 to meet various fastening needs. Multiple Grade Standards: Offers Grades 4, 6, 8, 10, 12 and Classes 2, 5, 8, 10.9, 12.9. Customized Surface Finishes: Options include Black, Zinc Plate, Dacromet, HDG, and Plain. International Standard Compliance: Meets DIN, ISO, ASME, GB, BSW, IFI, and GOST standards. High Monthly Capacity: Production capacity exceeds 300 tons per month with professional testing. Quality Certifications: Holds ISO9001 and BSCI certifications for quality assurance. OEM and ODM Services: Accepts custom drawings, samples, and minor customization requests.