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Oscillating spindle sander 2-1/2 in port: measured 2-1/2 in OD dust 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

Oscillating spindle sander 2-1/2 in port dust port size

The measured dimensions of the Oscillating spindle sander 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 dust port
Mating diameter (mm)64

Shop notes

Found on: Triton, Rikon, WEN and Grizzly benchtop oscillating spindle sanders.

Benchtop spindle sanders commonly present a 2-1/2 in outer-diameter port, so a shop-vac hose seats over it. Larger floor models step up to a 4 in collector port for the higher volume.

Connect this port

Questions and answers

What is the port type of the Oscillating spindle sander 2-1/2 in port dust port size?

male spigot (hose goes over it)

What is the outer diameter (od) of the Oscillating spindle sander 2-1/2 in port dust port size?

2-1/2 in, 64 mm

What is the manufacturer designation of the Oscillating spindle sander 2-1/2 in port dust port size?

2-1/2 in OD dust port

What is the mating diameter (mm) of the Oscillating spindle sander 2-1/2 in port dust port size?

64