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Bosch 1617 router dust hood port: measured 2-1/2 in OD hood 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

Bosch 1617 router dust hood port dust port size

The measured dimensions of the Bosch 1617 router dust hood 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 hood port
Mating diameter (mm)64

Shop notes

Found on: Bosch 1617EVS and MRC23 routers fitted with the fixed-base dust hood.

The Bosch router dust hood necks to a 2-1/2 in outer-diameter port, so a 2-1/2 in shop-vac hose slides over it. A smaller 35 mm connection is also offered for the plunge base on some models.

Connect this port

Questions and answers

What is the port type of the Bosch 1617 router dust hood port dust port size?

male spigot (hose goes over it)

What is the outer diameter (od) of the Bosch 1617 router dust hood port dust port size?

2-1/2 in, 64 mm

What is the manufacturer designation of the Bosch 1617 router dust hood port dust port size?

2-1/2 in OD hood port

What is the mating diameter (mm) of the Bosch 1617 router dust hood port dust port size?

64