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

Bosch Gcm12 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 32 mm.

SpecBosch Gcm12Collector Inlet 6
Port typefemale socket (hose goes into it)female socket (hose goes into it)
Inner diameter (ID)1-1/4 in, 32 mm6 in, 152 mm
Manufacturer designationrear approx 1-1/4 in ID (32 mm)6 in inlet (approx 152 mm)
Mating diameter (mm)32152

Questions and answers

Which has the higher mating diameter, Bosch Gcm12 or Collector Inlet 6?

On mating diameter, Collector Inlet 6 leads: 152 mm versus 32 mm.

How do Bosch Gcm12 and Collector Inlet 6 compare?

On mating diameter, Collector Inlet 6 leads: 152 mm versus 32 mm.

Compared here

Bosch GCM12SD miter saw port dust port sizeCyclone collector 6 in inlet dust port size