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DMT Diamond Cones

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DMT - Diamond Sharpening Equipment
Found in Departments: DMT - Diamond Sharpening Equipment
DMT Diamond Cones - Cones available individiually, or as a Set in a Wooden Box.DMT Diamond Cones - Cones available individiually, or as a Set in a Wooden Box.cancelleft arrowright arrow
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- Cones available individiually, or as a Set in a Wooden Box.

Quantity in Cart: none
Code: MS-CN.XX
 Small (with handle) - Fine ($34.99) In Stock
 Medium - Fine ($37.99) In Stock
 Large - Fine ($43.99) In Stock
 Kit of all 3 in a Wooden Box ($132.99) In Stock
  • Main
  • Grit Comparison

DMT Diamond Cones are a quick way touch up or sharpen the edges of carving tools, turning tools, router bits, or serrated and re-curved knives. We love the fact that diamond abrasive can be used dry, or with only a splash of water. No mess - means less to clean up so you can concentrate on the fun part of having sharp tools.

The convex surface of each nickel plated steel cone is coated with a generous helping of 25 micron diamond to remove material quickly. The cones make quick work of even the toughest materials, like HSS, Carbide and exotic alloys. The small cone even works on the scalloped serrations found on bread and tactical knives.

The medium and large cones are semi circular. They can be used hand-held or on a bench top with a Non-Skid Mat. The Small cone is fully round, and is permanently attached to a rectangular plastic handle. The set of all 3 sizes comes in a French-fit wooden box with a snap-shut lid. Cones are also available individually.

All cones are fine grit - 25 Micron/600 mesh. That's sharp enough for router bits, or turning tools, but for carving tools, follow with a strop and some honing compound or diamond paste.

3 sizes cover a wide range of tools:

Small 4" long by 1/8" to 3/8" Diameter - O'all (with handle) is 8 1/8"

Medium 6" long by 3/8" to 3/4" Diameter

Large is 8" long by 3/4" to 1 1/4" Diameter

DMT diamond abrasives are durable, even under heavy use. At first the cones will feel extra aggressive; They will smooth out after a few sharpenings without impacting performance.

Clean cones with dish soap and water, or with a polymer-eraser. Store Dry - a wipe with a towel is enough. Although we prefer water - lubricating with oil is fine too - with the proviso that the cones are't stored in kerosene.

Medium and Large cones are abrasive on the EXTERIOR, convex side of the cone only.

DMT Diamond Cones are Made in the USA

Extra Extra Coarse - Diamond Size: 120 micron, 120 mesh DMT Color Code: Silver
Use for Edge Repair, resetting or changing a bevel angle, or flattening another stone.

Extra Coarse - Diamond Size: 60 micron, 220 mesh DMT Color Code: Black
Use for edge repair, resetting or changing a bevel, or flattening fine grit water stones. Good first step for flattening the backs of chisels and plane irons. Color code: Black 60 micron, 220 mesh.

Coarse- Diamond Size: 45 micron, 325 mesh DMT Color Code: Blue
Use for restoring very dull edges, coarse cutting tools, such as froes, lawnmower blades, axes or mortise chisels. Can be used for flattening chisels and plane irons.

Fine- Diamond Size: 25 micron, 600 mesh DMT Color Code: Red
Good intermediate step for plane irons, chisels, or carving tools. Perfect for general sharpening - this is the grit we keep in the kitchen to sharpen knives that see abuse. For woodworking we recommend following this grit with a finer grit diamond stone, water stone, or diamond paste.

Extra Fine- Diamond Size: 9 micron, 1200 mesh DMT Color Code: Gray
Good for use as an intermediate step for plane irons, chisels, or carving tools. Excellent single stone for sharpening kitchen knives. For woodworking we recommend following this grit with a water stone, diamond paste, or extra extra fine grit stone.

Extra Extra Fine- Diamond Size: 3 micron, 8000 mesh DMT Color Code: Tan
Provides the finest grade micronized bonded diamond abrasive available. Surprisingly quick stock removal with millions of diamond cutting edges.

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