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Bosch CM10GD miter saw port: measured rear approx 1-1/4 in ID (32 mm). What shop-vac hose fits it and the exact reducer to join it to a 1-1/4, 2-1/2 or 4 inch hose.

Updated 05 September 2026.

PORT / HOSE

Bosch CM10GD miter saw port dust port size

The measured dimensions of the Bosch CM10GD 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 typefemale socket (hose goes into it)
Inner diameter (ID)1-1/4 in, 32 mm
Manufacturer designationrear approx 1-1/4 in ID (32 mm)
Mating diameter (mm)32

Shop notes

Found on: Bosch CM10GD axial-glide and GCM8SD compact miter saws.

The Bosch compact glide saws use a rear port near 1-1/4 in inner diameter, so a 1-1/4 in hose tip pushes into it. Adapters step it out to 1-7/8, 2-1/2 or 4 in for more airflow, matching the larger GCM12SD.

Questions and answers

What is the port type of the Bosch CM10GD miter saw port dust port size?

female socket (hose goes into it)

What is the inner diameter (id) of the Bosch CM10GD miter saw port dust port size?

1-1/4 in, 32 mm

What is the manufacturer designation of the Bosch CM10GD miter saw port dust port size?

rear approx 1-1/4 in ID (32 mm)

What is the mating diameter (mm) of the Bosch CM10GD miter saw port dust port size?

32