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Dremel Multi-Max dust port: measured small port for 1-1/4 in hose tip. 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

Dremel Multi-Max dust port dust port size

The measured dimensions of the Dremel Multi-Max dust 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 designationsmall port for 1-1/4 in hose tip
Mating diameter (mm)32

Shop notes

Found on: Dremel Multi-Max oscillating tools with the dust extraction attachment.

The Dremel Multi-Max dust attachment presents a small port that takes a 1-1/4 in hose tip. A 1-1/4 in shop-vac hose pushes in, and a step reducer reaches a larger hose where more suction helps.

Connect this port

Questions and answers

What is the port type of the Dremel Multi-Max dust port dust port size?

female socket (hose goes into it)

What is the inner diameter (id) of the Dremel Multi-Max dust port dust port size?

1-1/4 in, 32 mm

What is the manufacturer designation of the Dremel Multi-Max dust port dust port size?

small port for 1-1/4 in hose tip

What is the mating diameter (mm) of the Dremel Multi-Max dust port dust port size?

32