Metabo 339070070 Spare Part - Cover Washer

Genuine Metabo cover washer (part number 339070070) — a direct replacement cover/disc used in the SR-series 1/3‑sheet orbital sanders.

Compatible with Metabo SR models including SR 356, SR E 357, SR 358, SR 359 and their regional variants (examples: 00356000, 00357000, 00358000, 00359000).

What it does: this small cover washer fits on the oscillating/swing plate assembly (shown as position 45 in Metabo’s spare‑parts diagram), sitting adjacent to the 17×35×10 bearing and counterweight to retain components and block dust from the sanding base.

Supplied as the original Metabo spare part and sold individually — a simple, low‑cost item to replace a worn or missing disc and restore correct assembly fit and function. If you’re replacing parts in the sanding base or oscillating plate, this genuine Metabo cover washer is the exact spare you need among power tool parts.