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Festool KAPEX KS 120 miter saw port: measured 27 mm and 36 mm dust ports. 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

Festool KAPEX KS 120 miter saw port dust port size

The measured dimensions of the Festool KAPEX KS 120 miter saw port and the hose sizes it mates with.

OD36 mm1-7/16 in, 36 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)1-7/16 in, 36 mm
Manufacturer designation27 mm and 36 mm dust ports
Mating diameter (mm)36

Shop notes

Found on: Festool KAPEX KS 120 and KS 60 sliding compound miter saws.

The KAPEX collects through both a 27 mm port near the blade and a 36 mm main port at the rear, tuned to the CT extractor. The 36 mm D36 hose is the main connection, with the 27 mm capturing fine dust at the cut.

Questions and answers

What is the port type of the Festool KAPEX KS 120 miter saw port dust port size?

male spigot (hose goes over it)

What is the outer diameter (od) of the Festool KAPEX KS 120 miter saw port dust port size?

1-7/16 in, 36 mm

What is the manufacturer designation of the Festool KAPEX KS 120 miter saw port dust port size?

27 mm and 36 mm dust ports

What is the mating diameter (mm) of the Festool KAPEX KS 120 miter saw port dust port size?

36