Connect a Bosch GTS 10 table saw port to a Festool D27 antistatic hose
How to join a Bosch GTS 10 table saw port to a Festool D27 antistatic hose, and what stops it leaking dust.
Not compatible without stepping down. A Festool D27 antistatic hose is far larger than the Bosch GTS 10 table saw port, so it needs a 63 mm to 27 mm step reducer.
Rings drawn to scale from the measured diameters in the table below.
The two ends
| End A | Bosch GTS 10 table saw port (2-1/2 in OD, 63 mm OD) |
|---|---|
| End B | Festool D27 antistatic hose (35 mm tip in OD, 7/8 in ID) |
| Fit type | male port into hose cuff |
| Reducer needed | 63 mm to 27 mm step reducer |
Shop notes
The hose is about 23 mm and the port about 63 mm, a gap of 40 mm, so the port simply swallows the hose with no contact. A 63 mm to 27 mm step reducer is needed, and even reduced the airflow is mismatched between the Bosch GTS 10 table saw port and the Festool D27 antistatic hose.
Wrapping tape to close a 40 mm gap never seals cleanly and chokes the airflow further. Step the sizes properly, or pair each end with a fitting closer to its own size.
The reducer to buy
Search Amazon for 63 mm to 27 mm step reduceraffiliate searchRelated connections
- Bosch GTS 10 table saw port63 mm rear port, adapter 57 mm OD saw / 39 mm OD vac
- Festool D27 antistatic hose27 mm nominal, tip 23 mm ID / 35 mm OD
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