Save with a membership: Unlimited STL downloads from $5/mo on Patreon
GulpDust

DeWalt DWE6423K Sander Dust Port Size and Vacuum Adapter Guide

DeWalt 5 in. VS Random Orbit Sander Kit

Model: DWE6423KCategory: Random Orbital Sander

Dust Collection Port

mm / 42.4mm round port (friction)
Find Compatible Adapter

Specifications

DeWalt DWE6423K Sander Dust Port Size and Vacuum Adapter Guide

The DeWalt DWE6423K is a corded 5 inch variable speed random orbit sander kit. You set the speed for the job and smooth wood fast. Sanding makes a cloud of very fine dust that hangs in the air.

The sander has a round dust port on the side. The outer lip is about 41 to 43 mm across. That number comes from an adapter made for this DeWalt sander, so treat it as close, not exact. The inside size is not confirmed, so measure your own port before you buy. A GulpDust PETG adapter snaps onto that port and lets you hook up a shop vac or dust extractor. It is a friction fit. No tape. No clamps.

DeWalt DWE6423K Dust Port and Specs

Port size: please measure to confirm

Source verified, but only one side of the port was confirmed. Measure your port before you buy.

Source we cite: toolcurve.com

Dust port outer diameter42.4mm (measure to confirm)
Port shapeRound
Port locationSide
Connection typeFriction fit
Pad size5 in.
Max speed12,000 RPM
Weight3.4 lbs

DeWalt DWE6423K Dust Port Size: About 41 to 43 mm at the Outer Lip, Round

The dust port on the DWE6423K is round. The outer lip is about 41 to 43 mm across. That figure comes from an adapter made for this DeWalt sander, so treat it as close, not a hard spec. The inside size is not confirmed yet, so measure your own port before you buy.

The small dust bag that comes with the sander fills up fast and lets fine dust slip past. Most shop vac hoses are 1-7/8 inch or 2-1/2 inch, so they do not seal on this port on their own.

A GulpDust adapter is printed to match the sander port on one end and your vac hose on the other end. It seals both sides so the sander pulls dust straight into the vac.

How to Measure Your DeWalt DWE6423K Dust Port

Pull the dust bag off first. Then close caliper jaws around the OUTSIDE of the port lip. That gives you the outer diameter in millimeters. Round to the nearest standard size if your number falls between two.

Next, slide the inside jaws into the port and open them out until they touch the inner wall. That gives you the inner diameter. The inner is what the adapter slides into. The outer tells you how snug the fit will be.

How to Connect a Shop Vac to the DeWalt DWE6423K Sander

Pull the dust bag off and clear any dust out of the side port first. A clean port gives the best seal.

Press the small end of the PETG adapter onto the port. It is a friction fit, so it holds with a firm push. Then press your shop vac hose onto the wide end of the adapter.

Turn the vac on before you start sanding. Dust collection on a sander is not just about a clean bench. Fine sanding dust is the kind that hangs in the air and gets into your lungs.

Why Dust Collection Matters on a Random Orbital Sander

A random orbital sander makes very fine dust. That dust floats. It does not fall to the floor like saw chips do.

Pulling that dust at the port keeps it out of the air. It also keeps the pad clean, which helps your sandpaper last longer and cut better.

For the smoothest finish, run a steady vac while you sand. Any shop vac with the right adapter does the main job.

DeWalt DWE6423K Dust Collection FAQ

What size is the dust port on the DeWalt DWE6423K?+

The port is round, with an outer lip about 41 to 43 mm across. That number comes from an adapter made for this sander, not a DeWalt spec sheet. The inside size is not confirmed, so measure your own port with calipers before you buy.

Does the DeWalt DWE6423K work with a regular shop vac?+

Yes, with the right adapter. A standard shop vac hose does not seal on this sander port on its own. The GulpDust PETG adapter fits the sander port on one end and your vac hose on the other.

Do I need clamps or tape to attach the adapter?+

No. The adapter is a friction fit. You push it into the port and it holds. The same goes for the vac hose end.

Why does the DWE6423K need dust collection so much?+

Sanders make very fine dust that floats in the air. That dust is the kind that is bad to breathe. Pulling it at the port keeps the air clean and helps the sandpaper last longer.

Can I print this adapter myself?+

Yes. You can buy the printed PETG part shipped from the US, or download the STL file and print it at home. We suggest PETG with 3 walls and 25 percent infill.

Does the same adapter fit other DeWalt sanders?+

Not always. DeWalt sander ports vary by model, so do not assume one adapter fits all of them. Measure your own port and check each tool page for its verified size before you buy.

Related Tools, Adapters, and Guides