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Industrial DIN7349 Flat Washers – Wear-Resistant Carbon Steel for Excavator and Crane Use. Customizable Dimensions: Size and shape (Round/Square) can be customized according to customer requests. Wide Material Selection: Available in Carbon Steel, Stainless Steel, Copper, Brass, and Alloy Steel. Multiple Surface Treatments: Options include Plain, Black, Zinc Plated, and HDG for enhanced durability. Professional Manufacturer: Direct factory supply with own production lines for flat washers and stamping parts. Strict Quality Control: 100% inspection for finished products including visual and function checks. Sample Availability: Samples can be provided based on customer needs or technical drawings.