E-rings DIN6799 E type retaining ring 1. Standard: DIN6799 2. Size: 1.2mm-30mm 3. Material: Spring steel, stainless steel 4. Finish: Black oxide, phosphate, plain. Zinc plated 5. Packing: Polybag+carton+ pallet With 10 years experience in exporting business, our retaining ring for bore and for shaft, parallel pin (parallel key), wave spring washer, E-ring (retaining ring), all kinds of washers, circlips, wooduff key, flat washers and hoops meets Germany standard especially DIN471, DIN472, DIN983, DIN 988, DIN984, DIN2093, DIN5417, DIN6799, DIN6885, DIN6888.