Products CNC manufactured for uniformity and precision.

Dobsonian Mounts
Height can be designed for comfort. Kit or finished. Solid or collapsible. Variations avaialbe:

Mount only, or
... with fitted alt. bearings, or
... with clamshell rings and bearings
New and available:
6" f8, 8" f6 mount/bearing kit $189.50

Altitude Bearings
New: Turn 5" into 12" Big Bearings.
New: Mirror box bearing supports.
Small bearings fit to tube curve.
Large bearings for mirror boxes.

Add bearings to your existing rings.

Mirror Cells
New: 6" low cost, 3 point support.
Standard 8" - 12.5", 6 point flotation.

Universal for conical or standard.

Clamshell Rings
Dovetail plate mount Newtonians on these heavy duty or
lightweight rings.

Kydex Light Baffles
New: Eliminates stray light.

ATM parts
New: Round Teflon improves motion.
Teflon altitude and azimuth pads.
FRP bearing strips, azimuth rings.
Aluminum tubes.
Tube end rings

Astro Club Discount Program

Discounts & Leftovers.
FRP azimuth disks and rings.

Customer Comments

Custom Work / Who Are We?

ATM Parts

FRP - Teflon - Aluminum Tubes - Wooden End Rings

FRP Azimuth Rings and Teflon Pads
FRP Altitude Bearing Strips and Teflon Pads

Shipping to continental USA included in price.

Custom Sized FRP Azimuth Rings
(1) Select range for your ring:
(2) Specify the outside diameter:
(3) Specify inside diameter (max is outside diameter minus 2 inches).

FRP Strips
Strips can be used on as small as 5" diameter bearings. Easy to drill holes for mounting screws.
Warm strips by setting them on a conductive surface in the sun to make more pliable

Virgin Teflon Pads with 1/8" CNC Cut Rounded Top Edges

Rounded edges eliminate sharp angles for smoothes motion.
Rectangular altitude pads have leading and trailing edges rounded.
Azimuth pads are
round with a round to edge to eliminate all sharp angles.
countersunk with #6 flathead scews included.


Aluminum Tubes

ubes are cut to your desired length.

Minimum order $50. Lengths are to the next foot.

E-mail diameter and length with your zip code for shipping costs.

0.064 inch Wall Thickness
Specify exact length

Tube End Protectors

3/4" Baltic Birch cut to fit your tube. 1.5" wide over tube's wall with .583" deep channel. Measure tube circumference with a cloth tape measure, wall thickness with a ruler or micrometer.

Press on or glue to tube. Finished end rings are fine sprayed finished using red tinted acrylic polymer.

E-mail for shipping costs, or place order and we'll send shipping costs for pre-approval.

Tube outside diameter.
Tube wall thickness.