A new Kind of

Altmill Dust Boot

No springs. No Motors. No Crashes.

As you plunge deeper, it RISES automatically using pure friction.
Built specifically for the Sienci Altmill.

From RVA Barn Doors Inc

Buy Now – Ships to United States

USA 4" Inch

4" Friction-Rising Dust Boot

Includes: 4" Boot with brush, spindle sleeve, mounting bracket and screws
$100 + $10 shipping

*The spindle sleeve is printed using ASA!

USA 2.25" Inch

2.25" Friction-Rising Dust Boot

Includes: 4" Boot with brush, spindle sleeve, mounting bracket and screws
$95 + $9 shipping

*The spindle sleeve is printed using ASA!

Important Compatibility Note

If your Altmill spindle mount does NOT have the pre-tapped holes for the official Sienci LaserBeam mount,
THIS DUST BOOT WILL NOT WORK.

Dust boot installed on Altmill spindle 2 inch and 4 inch dust boots side by side Finished dust boot

INSTALLATION VIDEO

Watch the video to see how it works.

Near the end is a test cut.

Full written instructions with photos are available on the Installation Page.

2" Boot in action

1 Inch deep round pocket.

Why It Beats Everything Else

Self-Extending

Plunge 2"+ and the boot rises with you — automatically.

100% Friction

No crashing, no breaking. Pure physics.

Zero Dust Escape

Tight seal at every depth. Your shop stays spotless.

Altmill Native

Bolt-on fit with included adapter. 2-minute install.

A Product from

RVA Barn Doors Inc

Behind the Scenes

Video Page

30 Day

Money Back Guarantee

Video Page

Let's Talk Facebook Page

Contact Scott by Email

Scott@cncdustboot.com