High-Quality DIN937 Thin Castle Nuts for Industrial Applications

High-Quality DIN937 Thin Castle Nuts for Industrial Applications. Extensive Material Options: Available in Medium Carbon Steel (35#/45#) and Alloy Steel (40Cr/35CrMo/4140). Wide Size Range: Sizes available from M8 to M110 to cover diverse industrial needs. High Grade Strength: Grade options from Class 8 to Class 12 for superior durability. Multiple Surface Finishes: Offers Plain+oil, Black, Zinc, HDG, Phosphated, and Dacromet coatings. Custom Manufacturing: Capable of producing nuts according to customer standards, specifications, and drawings. International Standards Compliance: Meets DIN, ANSI, GB, JIS, GOST, BSW, and ISO Uni standards. ISO 9001 Certified: Certified with ISO9001/2015, GB/T19001-2016, and SGS certificate test. Long Industry Experience: Over 35 years of experience in manufacturing standard and special fasteners.