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DMT

The widest selection of DMT diamond sharpeners. From bench stones to portable options, our comprehensive selection features industrial-grade monocrystalline diamonds that deliver faster sharpening and exceptional durability. Experience professional-quality results with USA-made tools trusted by experts worldwide.
Original price $151.69
Original price $151.69 - Original price $151.69
Original price $151.69
Current price $125.99
$125.99 - $125.99
Current price $125.99

DMT 8" DuoSharp Hardcoat Bench Stone with Base

DMT
IN STOCK

Innovative, multi-patented DuoSharp® Bench Stone is a precision flat, two diamond surfaced sharpener guaranteed to provide consistent, even sharp...

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Original price $17.69 - Original price $43.17
Original price $17.69 - Original price $43.17
Original price $17.69
$14.99 - $40.47
$14.99 - $40.47
Current price $14.99

DMT 4" Dia-Sharp Diamond Stone

DMT
IN STOCK

There are many times when you just need a small sharpener. While not quite a bench stone size, this DMT Dia-Sharp diamond stone is great for small...

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Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

MagnaBase™ Adapter Only

DMT
Out of stock

If you need to hold 8" or 10" Dia-Sharp stones with your existing DMT Bench Stone Holder, this is the adapter you need. The DMT® Bench Stone Hol...

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Original price $16.49
Original price $16.49 - Original price $16.49
Original price $16.49
Current price $12.99
$12.99 - $12.99
Current price $12.99

DMT Knife Sharpening Guide

DMT
IN STOCK

New Design! The Knife Guide now accommodates all blade thicknesses. The DMT® Knife Sharpening Guide can be used with any type of sharpening stone...

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Original price $5.99
Original price $5.99 - Original price $5.99
Original price $5.99
Current price $4.99
$4.99 - $4.99
Current price $4.99

DMT EdgeSharp Magnetic Angle Guide

DMT
IN STOCK

Four Angles In One Guide The DMT EdgeSharp Magnetic Angle Guide provides four angles for guiding your knife sharpening. With sides of 15°, 20°, 22°...

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Original price $82.59
Original price $82.59 - Original price $82.59
Original price $82.59
Current price $64.99
$64.99 - $64.99
Current price $64.99

DMT Deluxe Aligner

DMT
IN STOCK

Save on the Popular DMT Deluxe Aligner Kit The DMT® Aligner Kit is the system to own when you care about sharpening knives. The most difficult as...

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Original price $104.99
Original price $104.99 - Original price $104.99
Original price $104.99
Current price $79.99
$79.99 - $79.99
Current price $79.99

DMT Diafold® Magna-Guide™ Kit with EE/E/F/C in Case

DMT
IN STOCK

Four diamond grit guided sharpening! The "Quad" Magna-Guide kit offers portable sharpening using two Double-Sided Diafold sharpeners. The Align...

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Original price $21.79 - Original price $99.74
Original price $21.79 - Original price $99.74
Original price $21.79
$17.99 - $95.94
$17.99 - $95.94
Current price $17.99

DMT Aligner Replacement Stones

DMT
IN STOCK

These DMT stones are available in Extra Extra Coarse, Extra Coarse, Coarse, Fine, Extra Fine and Extra Extra Fine. Each stone measures 4-3/8 x 7/...

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Original price $14.99 - Original price $35.97
Original price $14.99 - Original price $35.97
Original price $14.99
$11.99 - $32.37
$11.99 - $32.37
Current price $11.99

DMT Dia-Sharp Diamond Mini-Hone

DMT
IN STOCK

The DMT Mini-Hones® are perfect when you need to sharpen edges that are in tight spaces. The 2 1/2 inches of diamond surface are applied to a thi...

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Original price $24.99
Original price $24.99 - Original price $24.99
Original price $24.99
Current price $19.99
$19.99 - $19.99
Current price $19.99

DMT Bench Stone Holder

DMT
IN STOCK

If you own or are purchasing DMT® stones we highly recommend the Bench Stone Holder. It fits 8" and 10" DuoSharp® stones and any 6" x 2" bench st...

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Original price $68.99
Original price $68.99 - Original price $68.99
Original price $68.99
Current price $51.99
$51.99 - $51.99
Current price $51.99

DMT 12" Ceramic Sharpening Steel

DMT
IN STOCK

This extra-large DMT® Ceramic Steel is nearly 17" in total length. The steel itself is 12" and the handle with guard is almost 5". With light str...

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Original price $151.99
Original price $151.99 - Original price $151.99
Original price $151.99
Current price $129.99
$129.99 - $129.99
Current price $129.99

DMT 12" Diamond / Ceramic Steel Kit

DMT
IN STOCK

Complete Sharpening Steel Set Maintain all your cutlery edges with this kit of three 12" Diamond and Ceramic Steels. From resharpening to razor po...

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Original price $53.99
Original price $53.99 - Original price $53.99
Original price $53.99
Current price $47.99
$47.99 - $47.99
Current price $47.99

DMT 10" Fine Diamond Sharpening Steel

DMT
IN STOCK

This  DMT® Fine Diamond Steel is about 15" in total length. The steel itself is 10" and the handle with guard is almost 5". With light strokes, th...

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Original price $65.99
Original price $65.99 - Original price $65.99
Original price $65.99
Current price $54.99
$54.99 - $54.99
Current price $54.99

DMT 14" Fine Diamond Sharpening Steel

DMT
IN STOCK

This extra-large DMT® Fine Diamond Steel is nearly 19" in total length. The steel itself is 14" and the handle with guard is almost 5". With ligh...

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Original price $15.79 - Original price $38.97
Original price $15.79 - Original price $38.97
Original price $15.79
$12.99 - $35.07
$12.99 - $35.07
Current price $12.99

DMT Diamond Card Sized Sharpener

DMT
IN STOCK

This diamond sharpener is credit card sized for easy storage. The size is ideal for keeping in your wallet or pocket. Sold individually or as a...

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Original price $17.69
Original price $17.69 - Original price $17.69
Original price $17.69
Current price $14.99
$14.99 - $14.99
Current price $14.99

DMT Mini-Sharp with Fishhook Groove

DMT
IN STOCK

The Mini-Sharpeners are so convenient you can even put them on your keychain. Do not let the small size fool you, these sharpeners are the same q...

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Original price $30.99 - Original price $123.96
Original price $30.99 - Original price $123.96
Original price $30.99
$23.99 - $85.96
$23.99 - $85.96
Current price $23.99

DMT Single Sided Diafold

DMT
IN STOCK

The Single Sided Diafold® sharpener is a versatile sharpener. This compact diamond sharpening stone allows you to tackle a variety of sharpening j...

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Original price $55.99
Original price $55.99 - Original price $55.99
Original price $55.99
Current price $49.99
$49.99 - $49.99
Current price $49.99

DMT 12" Diamond Steel

DMT
IN STOCK

Keep Your Kitchen Cutlery Sharp with a DMT® Diamond Steel This extra-large DMT® Diamond Steel is nearly 17" in total length. The steel itself is 1...

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Original price $67.99
Original price $67.99 - Original price $67.99
Original price $67.99
Current price $49.99
$49.99 - $49.99
Current price $49.99

DMT Diafold Magna-Guide Sharpening System

DMT
IN STOCK

The Double Sided Diafold Sharpener offers portable, two-stone sharpening at its best, the Aligner Blade Guide provides 7-angle adjustability for...

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Original price $72.79
Original price $72.79 - Original price $72.79
Original price $72.79
Current price $53.99
$53.99 - $53.99
Current price $53.99

DMT Diamond Wave

DMT
IN STOCK

The DMT Diamond Wave is a an exciting product from DMT. The Wave is designed to sharpen tools with curved edges like carving gouges. Unlike traditi...

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Original price $244.79
Original price $244.79 - Original price $244.79
Original price $244.79
Current price $199.99
$199.99 - $199.99
Current price $199.99

DMT Dia-Flat Lapping Plate

DMT
IN STOCK

The DMT Dia-Flat is a high quality diamond lapping plate that can handle all your water stone flattening needs. It is a large lapping plate meas...

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Original price $55.99
Original price $55.99 - Original price $55.99
Original price $55.99
Current price $45.99
$45.99 - $45.99
Current price $45.99

DMT Diafold Hardcoat™ Double-Sided Sharpener

DMT
IN STOCK

Two stage sharpening with compact convenience. One of DMT’s signature products now outfitted with the proprietary Hardcoat™ surface for extra du...

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Original price $34.99
Original price $34.99 - Original price $34.99
Original price $34.99
Current price $29.99
$29.99 - $29.99
Current price $29.99

DMT Diamond Chainsaw File

DMT
IN STOCK

This Chainsaw file by DMT uses quality monocrystaline diamonds for fast sharpening. Use light pressure and let the diamonds do the work for you. ...

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Original price $7.99
Original price $7.99 - Original price $7.99
Original price $7.99
Current price $6.99
$6.99 - $6.99
Current price $6.99

DMT Non-Skid Mat

DMT
IN STOCK

This DMT Non-Skid Mat comes with many of the DMT DuoSharp Stones. It will really grip onto just about any work surface. If it gets dirty, just give...

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Original price $87.99
Original price $87.99 - Original price $87.99
Original price $87.99
Current price $69.99
$69.99 - $69.99
Current price $69.99

DMT Aligner Pro Kit

DMT
IN STOCK

Save on the Popular DMT Aligner Pro Kit now in a Hard-sided Carrying Case The DMT® Aligner Pro Kit is the system to own when you care about sharp...

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Original price $19.79 - Original price $36.79
Original price $19.79 - Original price $36.79
Original price $19.79
$15.99 - $32.99
$15.99 - $32.99
Current price $15.99

DMT Dia-Paste Diamond Compound

DMT
IN STOCK

Go Beyond Diamond StonesWhen diamond stones are not fine enough, you can finish up with Dia-Paste by DMT. With grits as fine as 1 micron, you can...

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Original price $22.99 - Original price $22.99
Original price
$22.99
$22.99 - $22.99
Current price $22.99

DMT DiaSpray

DMT
IN STOCK

NEW DMT DiaSpray DMT DiaSpray™ is a great way to achieve the finest edge possible on knives, straight razors and woodworking tools. The .5 micron...

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Original price $131.99
Original price $131.99 - Original price $131.99
Original price $131.99
Current price $104.99
$104.99 - $104.99
Current price $104.99

DMT Diamond Cone Kit - Fine

DMT
IN STOCK

These three tapered diamond slip stones are excellent for sharpening gouges, wood turning tools and more! This kit of three comes in a hardwood st...

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Original price $43.99
Original price $43.99 - Original price $43.99
Original price $43.99
Current price $35.99
$35.99 - $35.99
Current price $35.99

DMT Diamond Cone Large - Fine

DMT
IN STOCK

This large tapered diamond slip stone is excellent for sharpening gouges, wood turning tools and more! Measures 3/4" to 1-1/4" diameter x 8" half-...

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Original price $37.79
Original price $37.79 - Original price $37.79
Original price $37.79
Current price $29.99
$29.99 - $29.99
Current price $29.99

DMT Diamond Cone Medium Size

DMT
IN STOCK

This medium-size tapered diamond slip stone is excellent for sharpening gouges, wood turning tools and more! Cone measures 3/8" to 3/4" diameter x...

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Original price $63.13
Original price $63.13 - Original price $63.13
Original price $63.13
Current price $49.99
$49.99 - $49.99
Current price $49.99

DMT QuickEdge Aligner Kit

DMT
IN STOCK

The DMT® QuickEdge Aligner Kit is a fast and economical way to put an edge on just about any knife. The most difficult aspect of knife sharpening...

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Original price $41.19
Original price $41.19 - Original price $41.19
Original price $41.19
Current price $34.99
$34.99 - $34.99
Current price $34.99

DMT Fine Aligner Kit

DMT
IN STOCK

Save on the Popular DMT Aligner Kit The DMT® Aligner Kit is the system to own when you care about sharpening knives. The most difficult aspect of...

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Original price $93.26
Original price $93.26 - Original price $93.26
Original price $93.26
Current price $74.99
$74.99 - $74.99
Current price $74.99

DMT Aligner Pro Kit With Extra Extra Fine Stone

DMT
IN STOCK

The Popular DMT Aligner Pro Kit now with an Extra Extra Fine Stone The DMT® Aligner Pro Kit is the system to own when you care about sharpening k...

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Original price $42.99
Original price $42.99 - Original price $42.99
Original price $42.99
Current price $37.99
$37.99 - $37.99
Current price $37.99

Crystal Saver

DMT
IN STOCK

The Crystal Saver works on fine crystal, china, ceramic, glassware, or any other hard material. It was designed for smoothing chipped areas or br...

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Original price $34.79
Original price $34.79 - Original price $34.79
Original price $34.79
Current price $26.99
$26.99 - $26.99
Current price $26.99

DMT Diamond Cone Small with Handle - Fine

DMT
IN STOCK

This small tapered diamond slip stone is excellent for sharpening gouges, wood turning tools and more! Measures 1/8" to 3/8" diameter x 4" cone wi...

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Original price $13.79
Original price $13.79 - Original price $13.79
Original price $13.79
Current price $11.99
$11.99 - $11.99
Current price $11.99

DMT Mini-Sharp

DMT
IN STOCK

The Mini-Sharpeners are so convenient you can even put them on your keychain. Do not let the small size fool you, these sharpeners are the same qu...

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DMT (Diamond Machining Technology) has been at the forefront of diamond sharpening innovation since 1976, producing USA-made diamond sharpeners that deliver the fastest and most consistent sharpening results.

Unlike traditional sharpening stones, DMT sharpeners use industrial-grade monocrystalline diamonds, ensuring faster sharpening and long-lasting durability. DMT stones are guaranteed flat, and will remain flat throughout the lifespan of the stone. DMT also has diamond abrasive surfaces in a variety of shapes, perfect for specialized tools like serrated knives, gouges, and chainsaws.

Whether you’re maintaining kitchen knives, woodworking tools, or outdoor blades, DMT diamond stones offer a durable, high-performance solution trusted by professionals and enthusiasts worldwide.

Want to learn more about diamond sharpening and the best DMT tool for your needs? Check out our Comprehensive Guide to DMT Sharpeners.

Talk to a Sharpening Specialist

Our Sharpening Specialists have hands-on sharpening experience, so you can get advice on selecting the right sharpener for your needs.

1-800-351-8234
productspecialist@sharpeningsupplies.com
Monday through Friday, 8 a.m. - 4 p.m. CT