| Size | M3-M48 or non-standard as request&design |
| Finish | Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating, Nickel plating,Zinc impregnation,ETC. |
| Material | Carbon steel、Stainless steel |
| Grade | 4，8，10，12 |
| Standard | GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC. |
| Non-standards | OEM is available, according to drawing or samples. |
| Samples | Samples are free. |
| Package | Wooden boxes, pallet, cartons, plastic bags, nylon bags. |
DIN6913 Spring lock washers with safety ring, made of spring steels, 65Mn and #70 steels or stainless steels. Different to DIN127 or DIN128 normal spring washer, Its formed with a safety ring, specially designed for machining fastening. Due to its usage in various machines or transmission facilities, the DIN6913 spring lock washers usually being black oxided or black zinc coated, dacromet or ruspert coated. The regular supply sizes from M3 to M30 while its can also be customized. Other materials available, for example, stainless steels, brass, copper and bronze, aluminium alloy, etc.
More Spring Lock washers, please check here, DIN7980 High Collar Spring Washer, DIN137A Curved Spring Washer, DIN137B Crinkled Spring Washer
