The DeWalt 391969-00 inner disc washer supports and secures cutting and grinding discs on compatible angle grinders. Made of steel, it fits underneath the disc and works with the outer flange nut to ensure proper alignment and hold the accessory in place.
- Type: Inner disc washer
- Material: Steel
- Thread: M14
- Compatibility: DeWalt D28154/6, DWE4050/51
- Use: Supporting cutting and grinding discs