Diamond Inverted Cone
Mounted on a 1/8" shank. Perfect for undercutting, texturing and sanding.
5mm - $4.50
6mm - $4.50
8mm - $4.50
Set of all three sizes $12
These are some of the burs I use most often in carving, cutting and inlaying materials into gourds.
I only sell burs I use myself!
(Bur boxes, Flexshafts and more!)
1/8 inch shank
Use this one for relief carving, to inlay heishi and for stippling techniques. $6 each
Fine Engraving Burs
A handy set of 5 burs - the set includes three different sized ball cutters and two sizes of inverted cones. Packed in a handy plastic box. (The tiniest ball is great for carving your name on the bottom of your gourd!)
$8 per set
1/8 inch shank
Great for cutting fine lines.
(The smaller wheel can cut tighter curves.) $5 each
1/8 inch shank
I use this shape to cut sand ripples and faux basketry.
LG - $6
SM - $5
Structured tooth carbide burs are a good choice for fast roughing out and general carving. Because these have non-directional cutting teeth, they are the best choice for left handed carvers.
About Carving Burs: Which type is right for you and your project?
Most burs that are included in a typical rotary tool kit are intended for general household use, and many are unsuitable for gourd carving. The descriptions below will help you to choose the appropriate burs, you can also find more in depth descriptions on pages 29-31 of my "Gourds" book.
Note: I have been carving wood and gourds for over 30 years. All of the burs shown below are pieces I have used and tested myself.
High Speed Steel Burs
These burs are the mainstays of most gourd carvers. They are inexpensive and come in a wide variety of shapes and sizes. This type of bur cuts with sharpened cutting flutes or "teeth". They will cut aggressively and are perfect for most people that want to do general gourd carving, and their price makes them the best choice for beginners. For most carvers, three basic shapes are adequate (although you may want to add a variety of sizes within those shapes.) I recommend a wheel, a ball, and a either a cylinder or an inverted cone. You can use other shapes as well, but if you are starting from scratch this is a good place to start. These burs will dull after years of use or if misused, but usually a thorough cleaning will extend their life. (More on cleaning burs at the bottom of the page.)
Carbide burs are more expensive than steel burs, but with ordinary care they will outlast a steel bur and should rarely need to be replaced.
Some carbide burs look exactly like steel burs, but will stay sharper much longer. Personally, I don't buy this type as they are much more expensive and the high speed steel cutters last quite a long time when they are kept clean and used only on gourds.
Some burs have bits of tungsten carbide grit fused onto a steel based cutting surface. This type of bur comes in various shapes and cutting grits, but is less aggressive and smoother cutting than a structured tooth bur.
Structured tooth cabide burs have sharp hair-like projections protruding from all sides of the bur. They are great for left handed carvers as they are not directional and are not used with a mandrel. They come in a variety of shapes and grits and are the most aggressive burs for fast carving.
Diamond burs are not intended for carving through the gourd skin. They are better suited for detail carving or sanding operations. These burs are the least aggressive of all but are perfect for sanding or texturizing after the rough carving is finished. Inexpensive kits with several burs will give you plenty of shapes to choose from.
High Speed Steel and Carbide Burs
1/8" Pointed Bur $13.50
Mini Cutting Wheel$16.50
These tungsten carbide burs made by Dura Grit are nice additions to round out a set of carving burs. These are a few specialty shapes that I have personally selected. In general, they are less aggresive than the structured tooth carbides and work well for shaping and smoothing when a smoother texture is desired. The larger wheels work well for removing large amounts of material.
The small pointed bur can be drug to create lines, to undercut relief carving, and works great for cutting channels for heishi inlay, or for drilling and shaping decorative holes. The finest grit works well for filigree type hole piercing.
The 1 1/4" wide shaping wheel is used for "skinning" the gourd, shaping, and removing large areas. DO NOT USE WITH TOOL IN REVERSE.
The mini cutting wheel is perfect for left handed carvers! It operates equally as well in forward and reverse. Head is 5mm wide.
Use the Inverted Cone shape for cutting basketry, ripples, or anywhere a clean, sharp edge is required. 3/8" wide cutting head.
Specialty Tungsten Carbide Burs
Structured Tooth Carbide Burs
Bur Cleaning Info and Tips
There are different reasons why burs leave burn marks or don't cut well. If you know your bur is relatively new and not likely to be dull, then the cause is often a dirty or clogged bur.
The easiest way to clean all types of burs is to get a small jar (baby food size is fine) and fill it with enough acetone to cover the bur cutting heads. Let the burs soak for a while, the acetone won't hurt them. This will loosen the resins that are clogging the cutting surfaces. After the burs are removed from the acetone, simply scrub them off with a toothbrush shaped brass brush. This should eliminate the majority of the debris. You can resubmerge and repeat if necessary.
Carbide burs are much tougher and in a pinch they can even be flamed with a small propane torch to burn off the residue. Use caution when using this method; flame the bur while it is chucked into your tool, don't attempt to hold it with pliers (or your fingers!!!). Do NOT try this on steel burs. They will lose their temper and will not hold a sharp edge. If you are cleaning a mandrel mounted carbide bur, you must remove the small fiber washer before using the torch cleaning method.
*Looking for Rifflers, Hole Saws and other tools?
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Arizona Gourds is an authorized Foredom Tool Distributor. Please use the Foredom link button to view available tool sets including bench and hanging models and the new Gourd Carvers Kit.
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Note: Large or heavy headed carbide burs will work better at slightly lower speeds. They can be run at full speed in a Foredom tool, which runs slower than other tools. Practice with them to deterimine the ideal speed for your own tool. Always insert these burs completely up to the shoulder depth (the thick area of the mandrel) when mounting into the collet or chuck. Do not run the mandrel mounted burs in reverse.
*Looking for Bur Holders, Flexshafts, Keyless Chucks, Sanders and other Rotary Tool Accessories?
Carbide Filigree Burs
1/8 inch shank
Burs that will both drill holes and cut sideways for piercing/filigree.
Single Fine Filigree bur (left) $4
Carving drill - 3/32" shank $19.50
Carbide Pointed Bur (right) $13.50
Diamond burs are best suited for sanding and texturing the softer inner gourd. These are not suitable for cutting through the tough outer gourd skin, but they cut smoothly when doing fine carving or detail work on the inner pulp, and are great for smoothing cut edges.
Assorted larger head Diamond Wheel Burs mounted on a 1/8" shaft. Most are approximately 1/2" - 5/8" wide. Some have squared edges, others are rounded. Thickness varies. Great for smoothing backgrounds and inlaying larger cabochons. $4
SET of 3 different sizes of diamond wheels - $8
1/8" shanks, includes 3 different thicker wheel sizes. Assorted profiles - some have flat sides, some have rounded edges, some are knife edged or are shallow inverted cone shaped.
*Faster cutting - structured tooth inverted cone burs shown below
Small 5mm size inverted cone for getting into tight areas.
*Included in the 5 pc engraving set (Below)
Very Thin Diamond Wheel mounted on a 3/32" shaft. These hard to find burs are great for smoothing backgrounds, inlaying small cabochons and undercutting relief carvings.
6mm - $4.50 SPECIAL - SET of all 5 sizes - $15
Top view and side view of wheel bur
5mm wide x 1/32" thick
High Quality Swiss made Burs
Saburr Tooth Large (1/2") Safe End Cylinder
Saburr Tooth Taper (cone)
Saburr Tooth Long Taper
Saburr Tooth 3/8" Ball
Below: Saburr Tooth brand structured tooth burs are my favorite carving burs because they have fast cutting teeth to remove a lot of material quickly. All of these burs have a 1/8" shaft.
The dovetail shape is good for cutting basketry and ripples, the taper shape works well in tight areas, and also gives you the proper angle for flattening backgrounds, and the large head cylinder is perfect for smooth, even inlay channels. The long taper shape is excellent for getting into small areas, or use the bud for small areas or lay on its side for wider cutting areas. The ball is good for general fast removal, while the ball nose is a nice combination shape with the advantages of both a cylinder and a ball.
Safe end burs have no teeth on the top end of the bur, are perfect for cutting along borders - because there are no teeth on the end, you get a really clean cut.
Click on photo to the right or link below to read how-to instructions on stone cutting in the Oct 2012 newsletter.
A: Depth of cut - 3/32"
B: Head width - 3/8"
C- Width of cut - 1/8"
D -Shank diameter - 1/8"
Arizona Gourds is an authorized Mastercarver Micro-Pro Tool Distributor. Please use the Mastercarver link button to view the Micropro micromotor carving tool.
Saburr Tooth Ball Head Cylinder
Saburr Tooth Safe End Cylinder
These are GENUINE DREMEL burs.
Professional quality bur box with lid and carrying handle. The burs will never fall out when you travel to classes! On the new Rotary Tool Accessories page.
Saburr Tooth 1/4" Ball
Rotary Chisels cut cleaner and faster than other burs. The unique triangular shape allows for fast heat dissipation and the solid carbide construction means the tool will stay sharp far longer than conventional carving burs. $23 each
New - Diamond cutting wheels for easy cabochon, egg or other hard material cutting. 1/8" mandrel fits a dremel tool, and it includes 5 blades.
$6 for blades and mandrel set
Saburr Tooth Safe End Dovetail
New - Diamond core drills
3/32" shank, with a 3mm cutting head. The head is a hollow tube coated with diamond grit, and it may be used to enlarge holes in beads so they will accept leather cords or to drill holes in stones or glass for hanging. Use water to lubricate and cool the bit while drilling. (I either dip the bur in water frequently, place the stone in a shallow dish with a small amount of water.) More instructions on drilling/cutting with diamond burs in the October 2012 newsletter. 3mm $5
Right: New DuraGrit Inverted Cone bur, Carbide Football and Carbide Coarse Grit Cone bur.
The new DuraGrit inverted cone has a flared head that is 3/8" wide across the top. Great for carving basketry and ripples, and perfect for lefties! $16.50
The carbide football is a smaller bur that can perform both like a ball and a cylinder. The shape allows to to get into small areas and use either the tip or the side. Carbide means it stays sharp! $12
The shape and size of the coarse grit cone bur (1/2" x 1/2") combined with the coarse cutting carbide grit means that you can hold your tool with the full side of the bur on the gourd surface, and remove material very quickly. Another good bur for lefties. $12.50
New! "Carving Burs - Selection and Uses" tutorial now available! This packet explains the differences between styles, shapes and sizes, and which burs are good for which techniques. It's a handy 12 page reference guide. You can order it on the Project Packets page.
Saburr Tooth Extra Long Taper
New - Shown to right - Long Diamond Taper
Designed to ream out and enlarge bead holes, but can be used like any other diamond. It has a 1/8" shank.
Special Sale!! While supplies last, order an engraving bur set and receive a FREE small bur box!