PORT / HOSE
Bosch GCM12SD miter saw port dust port size
The measured dimensions of the Bosch GCM12SD miter saw port and the hose sizes it mates with.
ID32 mm1-1/4 in, 32 mm
Rings drawn to scale from the measured diameters in the table below.
Measured port dimensions
| Port type | female socket (hose goes into it) |
|---|---|
| Inner diameter (ID) | 1-1/4 in, 32 mm |
| Manufacturer designation | rear approx 1-1/4 in ID (32 mm) |
Shop notes
Found on: Bosch GCM12SD and GCM12GDL 12 in glide miter saws.
The GCM12SD rear port is close to 1-1/4 in inner diameter, so a 1-1/4 in hose tip pushes into it. Adapters are sold to step it out to 1-7/8, 2-1/2 or 4 in hoses for more airflow behind the glide arm.
Connect this port
- Connect to 1-1/4 in shop-vac hosedirect fit
- Connect to 1-7/8 in shop-vac hoseneeds a reducer
- Connect to 2-1/2 in shop-vac hoseneeds a reducer
- Connect to 2-1/2 in Ridgid / Craftsman locking hoseneeds a reducer
- Connect to 4 in dust-collector hosenot compatible
- Connect to Festool D27 antistatic hoseneeds a reducer