Milwaukee Narrow Bit Holder Packout Adapters



@codyrubin on Instagram unwittingly solved a problem that I’ve been working on for a while: How to fit the narrow Milwaukee bit holders into the Slim Packout bins. He posted a divider on Thingiverse that allows you to mount custom holders sideways in the bins. As soon as I saw this I figured I could adapt the design to mount narrow Milwaukee bit holders too.

The result is a divider with mounting holes on both sides that fits into the Milwaukee Packout bins and allows you to mount the narrow bit holders sideways. I also created an “endcap” that mounts to the end wall of the bin with double-sided sticky tape. This maximizes the amount of storage space by eliminating a void that would be created by using the divider at the end.

I could have made the dividers much thinner, and used closer holes, but that present two problems. The thinner adapters are too flexible and won’t keep the bit holders in position and the spacing would have worked out so that I needed a different sized divider to use with the endcap. This way the same divider works with both another divider and the endcap.

I’ve included the openSCAD model, the divider, and the endcap in the files section.


Printer: Prusa i3 MK3
Slicer: Cura Slicer
Material: Inland PET-G
Resolution: 0.2mm with a 0.4mm nozzle
Wall Lines/Perimeters: 2
Infill: Minimum 10% Gyroid. The higher infill percentage the stronger the part.


Milwaukee Narrow Bit Holder Adapter Endcap with Carpet Tape

Before mounting the endcap permanently, try test fitting it. The side with the holes closest goes down. You should be able to feel the place where it sits just above the bottom.

You can use double-sided sticky tape(I recommend Duck brand carpet tape) or glue applied to the flat side of the endcap to hold it in place.

Duck Carpet Tape

One comment

  1. Love the divider and bunk bin. It has made my pack out far more versatile being able to sort marrettes, screws and connectors into divisions inside of the pack out.

    I’ve been using the deep bunk bin with a shallower slim packout bins to fill the compact organizer 48-22-8435. Any chance you could make a divider 3 pegs tall or share a file that would edit easier? I gave it a stab in sketchup, but that program does not deal with saving it well. Get some weird print selections in cura.

    Either way, thanks for making it easier to get in and out of jobsites!

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