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Connect a Kreg 720 Pro pocket-hole jig port to a Fein Turbo 35 mm hose

How to join a Kreg 720 Pro pocket-hole jig port to a Fein Turbo 35 mm hose, and what stops it leaking dust.

Reducer required

Not a direct fit. Joining the Kreg 720 Pro pocket-hole jig port to a Fein Turbo 35 mm hose needs a takes a 27 mm hose tip to 35 mm step reducer.

END B35 mmFein Turbo 35 mm hose (1-3/8 in ID)
END A26.9875 mmKreg 720 Pro pocket-hole jig port (1-1/16 in ID)

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

The two ends

End AKreg 720 Pro pocket-hole jig port (1-1/16 in ID)
End BFein Turbo 35 mm hose (1-3/8 in ID)
Fit typehose cuff into female socket
Reducer neededtakes a 27 mm hose tip to 35 mm step reducer

Shop notes

Measured across the joint between the Kreg 720 Pro pocket-hole jig port and the Fein Turbo 35 mm hose, the hose tip (35 mm) is 8 mm larger than the port socket (27 mm), so it will not seat. A takes a 27 mm hose tip to 35 mm step reducer closes that 8 mm step so the two hold together instead of leaking at the gap.

A 8 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.