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DMT DuoSharp Diamond Bench Stones

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DMT - Diamond Sharpening Equipment
Found in Departments: DMT - Diamond Sharpening Equipment
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- The interrupted diamond surface of DuoSharp stones excels at sharpening wide tools.

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10" DuoSharp Bench Stone
 Coarse / Extra-Coarse and DuoBase ($193.99) In Stock
 Fine / Coarse and DuoBase ($193.99) In Stock
 Extra-Fine / Fine and DuoBase ($193.99) In Stock
 Extra-Fine / Coarse and DuoBase ($193.99) In Stock
8" DuoSharp Bench Stone
 Coarse / Extra Coarse ($128.99) Sold Out
(click here to Email Me When Available)
 Fine / Coarse ($128.99) In Stock
 Extra-Fine / Coarse ($128.99) In Stock
 Extra-Fine / Fine ($128.99) In Stock
 Coarse /Extra-Coarse and DuoBase ($139.99) In Stock
 Fine / Coarse and DuoBase ($139.99) In Stock
 Extra-Fine / Coarse and DuoBase ($139.99) In Stock
 Extra-Fine / Fine and DuoBase ($139.99) In Stock
  • Main
  • Duo vs. Dia vs. DuoPlus
  • Grit Comparison

DMT DuoSharp bench stones have two interrupted diamond surfaces for sharpening wide tools like chisels, plane irons and knives. The polkadot pattern catches the dust created while sharpening - keeping the abrasive clear and quick cutting. The durable diamond surface won't dish, making DuoSharp Bench Stones great for use with sharpening jigs.

You don't need water or oil to sharpen with a DuoSharp, so they're an ideal sharpening solution for a garage workshop, or job-site where you don't have access to a sink, or don't want the mess of oil. The compact size and light weight of the stones makes them easy to travel with (Remember each stone is two grits!). A Coarse/Extra-Fine DuoSharp is the great single stone solution to sharpening tools on-site when you don't have the time to be fuss around.

10" by 4" stones have a luxuriously large surface covered in over 4 Carats of diamond abrasive for even the widest plane irons or knives. The large size makes the 10" stones a natural choice for use with sharpening jigs. The diamond surface measures 9 7/8" by 3 15/16"

8" by 2 5/8" stones are available with either the DuoBase or a non-skid mat. The DuoBase can be adjusted, so your 10" base can also be used with any 8" DuoSharp stone and vise versa. The diamond surface measures 8 1/16" by 2 5/8"

All DMT products are designed for a long service life. Stones can be cleaned with a polymer pencil eraser - or washed with dish soap. Store stones dry, (a simple wipe with a towel is fine) and leaf between stones with towel, cloth, paper, or plastic storage sleeves to prevent abrasive sides from rubbing.

DMT DuoSharp diamond bench stones are Made in the USA

DMT offers both interrupted and solid surface diamond sharpening products. Both have their advantages for different users but the choice is largely about personal preference and what type of tools you'll be sharpening on your DMT stones. All DMT stones can be used dry or with water, and are made in the USA to the same high standards.

Duosharp Stones are the classic patented DMT Polka-Dot Sharpening stones. Stones are two sided, and have an interrupted steel surface on both sides. The recessed dots keep abraded metal dust off the abrasive surface of the diamonds, for very fast sharpening. The dots will catch tools much smaller than 1/4" or anything with a curved surface like a gouge - but their compact construction, light weight, and two-grit configuration make them an excellent choice for many users.

DiaSharp stones have a solid un-interrupted diamond surface on one side of a solid steel backing. They can sharpen pointy and narrow tools, as well as wide irons and chisels. Solid steel construction makes these the heaviest DMT stones, but also the flattest. The extra heft keeps them firmly in place on a non-stick mat, but doesn't travel well - with the exception of the DiaSharp Credit Card sharpeners which fit in a wallet.

DuoSharp Plus stones add a 3/4" wide uninterrupted surface to the ends of what would otherwise be a classic 8" DuoSharp bench stone. The uninterrupted surface is for sharpening pointy, or narrow tools. Like the regular DuoSharp, these stones are light weight, and travel well. If you regularly sharpen chisels, knives and plane irons, but only occasionally need to sharpen tools narrower than 1/4" the DuoSharp is good option.

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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