DIN471 DIN6799 RETAINING RINGS, SEALING WASHERS

1. Size:                 4mm to 200 mm2. standards:      DIN471

3. Material:           65Mn/50CRV4/C67/SK5                   

4. Surface tratement:  plain/blackened by oil/zinc plating Cr3+                  5. Packing:            export box+pallet6. Customer's design is welcomed.