
Neck Bolt Plow Bolts with Nuts for Track. Customized Production: OEM/ODM services available with customization based on customer drawings and samples. Wide Material Options: Available in Q235, 10b21, Stainless Steel, 35#, 45#, 40Cr, and other alloy steels. Multiple Surface Treatments: Options include Zinc, Bronze, Rainbow, Plain, Nickel, Passivated, and Hot-dip Galvanizing. Comprehensive Certifications: Certified under ISO9001, ISO14001, and holds a railway product production license. 100% Quality Inspection: All goods undergo 100% testing before delivery to ensure compliance with standards. Diverse Standard Compliance: Meets GB/T, JIS, ANSI, DIN, BS, UIC, AREMA, NF, and ASTM standards. High Strength Grades: Available in grades 4.8, 5.6, 8.8, 10.9, and 12.9 with tensile strength up to 120,000psi. Customizable Sizes: Sizes range from M1.6 to M20, with specific railway dimensions available upon request.