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Connect a Makita LS1019L miter saw port to a Festool D36 antistatic hose

How to join a Makita LS1019L miter saw port to a Festool D36 antistatic hose, and what stops it leaking dust.

Reducer required

Not a direct fit. Joining the Makita LS1019L miter saw port to a Festool D36 antistatic hose needs a 1-3/8 in to 36 mm step reducer.

END B44 mmFestool D36 antistatic hose (44 mm tip in OD, 1-1/2 in ID)
END A34.9 mmMakita LS1019L miter saw port (1-3/8 in ID)

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

The two ends

End AMakita LS1019L miter saw port (1-3/8 in ID)
End BFestool D36 antistatic hose (44 mm tip in OD, 1-1/2 in ID)
Fit typehose cuff into female socket
Reducer needed1-3/8 in to 36 mm step reducer

Shop notes

Measured across the joint between the Makita LS1019L miter saw port and the Festool D36 antistatic hose, the hose tip (44 mm) is 9 mm larger than the port socket (35 mm), so it will not seat. A 1-3/8 in to 36 mm step reducer closes that 9 mm step so the two hold together instead of leaking at the gap.

A 9 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.