Bosch GEX 18V-125 to Siemens Vac

This practical adapter connects the Bosch GEX 18V-125 (Professional 18V System) directly to a Siemens household vacuum cleaner .

It is a functional remix optimized for a precise fit, combining elements from these two sources:

- Bosch PEX to Siemens Vac Adapter - Adapter for Bosch GEX 18V-125 Sander Improvements & Fit

The original Siemens-side connector was slightly oversized for a perfect seal, so I reduced its diameter by approximately 1 mm . This ensures a clean, snug, and reliable friction fit on the vacuum side, while the Bosch interface locks securely onto the sander’s dust port.

Print Settings

- Material: PLA or PETG - Layer Height: 0.20 mm – 0.24 mm. - Walls: At least 3–4 wall loops for an airtight and stable connection. Ideal for anyone looking to use their Bosch cordless sander with a standard Siemens vacuum cleaner for efficient dust extraction.