Bosch 1610102635 — genuine Bosch support washer (Stützscheibe) designed for Bosch demolition hammers.

Fits GSH-series hammers including GSH 16-28 and GSH 16-30 (also shown in parts diagrams for GSH 1630).

A precision-formed backing/support washer that locates and supports the hammer/gear assembly and bearing interfaces inside the tool to maintain correct alignment under heavy impact. This original Bosch replacement is one of the Bosch power tool parts listed for these GSH models.

If your hammer shows increased play, misalignment, or unusual wear around the gearbox/hammer area, replacing part 1610102635 restores the correct spacing and support so the mechanism operates smoothly and reliably.

Browse our full range of Bosch hammer drill parts.