PortMatchMatch any tool dust port to any shop-vac or collector hose, with the exact reducer

Hobby CNC dust boot 2-1/2 in port: measured 2-1/2 in OD shop-vac port. 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

Hobby CNC dust boot 2-1/2 in port dust port size

The measured dimensions of the Hobby CNC dust boot 2-1/2 in port and the hose sizes it mates with.

OD64 mm2-1/2 in, 64 mm

Rings drawn to scale from the measured diameters in the table below.

Measured port dimensions

Port typemale spigot (hose goes over it)
Outer diameter (OD)2-1/2 in, 64 mm
Manufacturer designation2-1/2 in OD shop-vac port
Mating diameter (mm)64

Shop notes

Found on: Shapeoko, Onefinity and X-Carve dust boots (Sweepy and similar).

Hobby CNC dust boots present a 2-1/2 in outer-diameter port sized for a shop-vac hose, since the router in the spindle is run on a vac, not a collector. A 2-1/2 in hose slides on directly.

Questions and answers

What is the port type of the Hobby CNC dust boot 2-1/2 in port dust port size?

male spigot (hose goes over it)

What is the outer diameter (od) of the Hobby CNC dust boot 2-1/2 in port dust port size?

2-1/2 in, 64 mm

What is the manufacturer designation of the Hobby CNC dust boot 2-1/2 in port dust port size?

2-1/2 in OD shop-vac port

What is the mating diameter (mm) of the Hobby CNC dust boot 2-1/2 in port dust port size?

64