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

Not a direct fit. Joining the Skilsaw SPT99T table saw port to a Metabo ASR 35 mm hose needs a 2-1/4 in to 35 mm step reducer. Measured OD and ID of each end, the real-world trap, and the exact reducer to buy.

Updated 05 September 2026.

CONNECTION

Connect a Skilsaw SPT99T table saw port to a Metabo ASR 35 mm hose

How to join a Skilsaw SPT99T table saw port to a Metabo ASR 35 mm hose, and what stops it leaking dust.

Reducer required

Not a direct fit. Joining the Skilsaw SPT99T table saw port to a Metabo ASR 35 mm hose needs a 2-1/4 in to 35 mm step reducer.

END A57.1 mmSkilsaw SPT99T table saw port (2-1/4 in ID)
END B35 mmMetabo ASR 35 mm hose (1-3/8 in ID)

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

The two ends

End ASkilsaw SPT99T table saw port (2-1/4 in ID)
End BMetabo ASR 35 mm hose (1-3/8 in ID)
Fit typehose cuff into female socket
Reducer needed2-1/4 in to 35 mm step reducer

Shop notes

Measured across the joint between the Skilsaw SPT99T table saw port and the Metabo ASR 35 mm hose, the port socket (57 mm) is 22 mm larger than the hose tip (35 mm), so the hose tip rattles inside without gripping. A 2-1/4 in to 35 mm step reducer closes that 22 mm step so the two hold together instead of leaking at the gap.

A 22 mm mismatch feels close enough to force, and it will hold for a minute before it works loose under airflow. Fit the step ring rather than trusting friction on a gap this size.

Questions and answers

Connect a Skilsaw SPT99T table saw port to a Metabo ASR 35 mm hose?

Not a direct fit. Joining the Skilsaw SPT99T table saw port to a Metabo ASR 35 mm hose needs a 2-1/4 in to 35 mm step reducer.