Double Self-Locking Nuts Metric Nuts Steel 30crmnsia Steel 1Cr17Ni2 GB930

Double Self-Locking Nuts Metric Nuts Steel 30crmnsia Steel 1Cr17Ni2 GB930. Custom-Made Acceptance: Accept drawings and custom-made requirements for specific dimensions and designs. Wide Material Options: Available in Steel, Brass, Aluminium, 30CrMnSiA, 1Cr17Ni2, and other alloys. Diverse Surface Treatment: Options include Hot Galvanized, Black, Color-Zinc, and Blue-White Zinc. Free Sample Availability: Free samples provided for standard fasteners; customer pays freight for custom ones. ISO 9001 Certification: Passed ISO9001:2015, CQM, and IQNet Quality Management System certifications. Fast Response Time: All customer questions are replied to within 12 hours for excellent after-sales service. Flexible Payment Terms: Support T/T, PayPal, L/C, Western Union, and small-amount payments. 30 Years Experience: Over 30 years of manufacturing experience with state-of-art facilities and 3000+ employees.