Bosch PROFACTOR 18V and CORE18V tools have their own dust port size, listed on the 35mm port hub. It sits between the Milwaukee and DeWalt standard and the Makita one. A Milwaukee adapter rocks on it. A Makita adapter will not go on at all. You need the Bosch one.
Bosch Tools With Dust Ports
| Model | Tool | Notes |
|---|---|---|
| GKS18V-25GCN | PROFACTOR 18V Circular Saw 7-1/4" | Top of PROFACTOR lineup |
| GST18V-LI | 18V CORE Jigsaw | Compatible with Bosch blades |
| GEX18V-2CN | PROFACTOR 18V Random Orbit Sander | Variable speed |
| GKT13-225L | Track Saw with L-BOXX (corded) | 6-1/2" blade, click-clean hose |
| GKF18V-25GCN | PROFACTOR 18V Colt Router | Compact router base |
| GOP40-30C | StarlockPlus Oscillating Multi-Tool (corded) | Oscillating tool |
All six land on the 35mm port hub. One adapter covers the whole list.
What Adapter You Need
For any Bosch PROFACTOR or CORE18V tool and a standard US shop vac with a 1-7/8 inch hose:
You need a 35mm to 47.6mm adapter.
If you pair Bosch tools with a Festool CT extractor (27mm hose), you need a 35mm to 27mm adapter.
The GKT13-225L Track Saw
The Bosch GKT13-225L is a 6-1/2 inch corded track saw. It uses Bosch's click-clean hose system, which is a push-button hose connection rather than friction. Its port is on the 35mm port hub.
Bosch supplies the GKT13-225L with a click-clean hose. If you want to use a different shop vac hose, you need a 35mm friction adapter for the standard shop vac end. The click-clean lock on the tool side can be bypassed with a friction-fit adapter that applies constant outward pressure against the click-clean socket.
For standard 1-7/8 inch shop vac use, a 35mm to 47.6mm PETG adapter fits into the port and grips the hose by friction on the other end.
Bosch Click-Clean vs Friction Hose Systems
Bosch introduced the click-clean system on some tools to make hose changes faster without pulling against the friction fit. The system uses a push-button release on the hose cuff.
Standard friction adapters still work on click-clean ports. The adapter simply seats in the port and the click-clean latch does not engage. The friction fit from the adapter holds the connection just as well as the click-clean latch.
Metabo HPT: Same Port Size as Bosch
Metabo HPT (formerly Hitachi) tools land on the same hub. Own both Bosch and Metabo HPT and one adapter covers the pair. That is rare: two brands, one port standard.