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Bosch Ros20 vs Collector Inlet 6: specs compared

Updated 05 September 2026.

152 mm
Collector Inlet 6 wins on mating diameter

On mating diameter, Collector Inlet 6 leads: 152 mm versus 35 mm.

SpecBosch Ros20Collector Inlet 6
Port typemale spigot (hose goes over it)female socket (hose goes into it)
Outer diameter (OD)1-3/8 in, 35 mm
Manufacturer designation35 mm OD (EU convention)6 in inlet (approx 152 mm)
Mating diameter (mm)35152
Inner diameter (ID)6 in, 152 mm

Questions and answers

Which has the higher mating diameter, Bosch Ros20 or Collector Inlet 6?

On mating diameter, Collector Inlet 6 leads: 152 mm versus 35 mm.

How do Bosch Ros20 and Collector Inlet 6 compare?

On mating diameter, Collector Inlet 6 leads: 152 mm versus 35 mm.

Compared here

Bosch ROS20 random-orbit sander port dust port sizeCyclone collector 6 in inlet dust port size