
Fasteners F436 DIN125A DIN127 Flat Washer Spring Washer Black Zinc Finsh. Wide Size Range: Available in sizes from M4 to M100 to meet diverse fastening needs. Multiple Surface Treatments: Options include Black, Zinc Plated, Yellow Zinc, HDG, and Dacromet. Diverse Material Options: Manufactured from Carbon Steel, Alloy Steel, and Stainless Steel. Free Samples Available: Customers can request samples at no cost for quality verification. OEM Services Accepted: Custom manufacturing and logo printing services are welcome. High Production Capacity: Annual manufacturing capacity reaches 30,000 tons for bulk orders. Strict Quality Control: Rigorous quality assurance processes ensure product reliability. Competitive Pricing: Offers the best market prices for high-strength fasteners.