Diamond Machine Technology was started in 1976. DMT Sharpeners have been accepted worldwide for their product quality, performance and customer service.  Only the best products will carry the DMT® brand.

DMT is the leading innovator of manual diamond sharpening technology for people and industries who depend upon high performance edges. Moreover, the company offers sharpening solutions for almost every user, from do-it-yourself users to professionals and large commercial operations.

DMT was began by making grinding wheels. They remodeled center punch-out of a diamond grinding wheel and developed an entire new way of manual sharpening. Furthermore, the engineers at DMT® worked to refine the resulting product. L.L. Bean also worked with these engineers. They are one of the many customers today.

Suddenly, there was an available alternative to the traditional methods of sharpening that required no messy oil. It also never grooved or hollowed. Moreover, it lasted and lasted. It was an unbreakable, clean-cutting, and super-fast sharpener, This was a tool that could sharpen any material, including the toughest composites, ceramics and any metal, including tungsten carbide and even polycrystalline diamond (PCD) inserts.

DMT is the leader in Diamond Sharpening. DMT has received rewards for their DMT Sharpeners and other products. Industries such as lawn and garden as well as culinary, woodworking. and carving, speed skating, skiing, snowboarding, camping, fishing, hunting, police &security, military, industrial, commercial and home improvement (DIY). 

DMT® makes all their products in Marlborough, Massachusetts. A variety of successful new products in receptive markets fueled the company’s growth. Many innovative DMT® brands, copied but never equaled.

DMT A4E Extra Fine Diamond Stone For Aligner Kit
DMT A4E Extra Fine Diamond Stone For Aligner Kit

This DMT A4E Extra Fine Diamond Stone is made to fit in the DMT Aligner Kits. The sharpening surface measures 4-3/8″ x 7/8″. The green stone is an extra fine grit. Use only water for lubrication. DMT manufactures this in Marlborough, Massachusetts.

$21.95 Add to cart
DMT ABG Aligner Blade Guide
DMT ABG Aligner Blade Guide

The DMT ABG Aligner Blade Guide provides professional results, regardless of skill. The Aligner™ Blade Guide is designed for use with Aligner™ accessories, Diamond Whetstones™, DuoSharp®, or Dia-Sharp® Bench Stones.

$16.95 Add to cart
DMT AKFC Quick Edge Aligner Kit
DMT AKFC Quick Edge Aligner Kit

The DMT AKFC Quick Edge Aligner Kit includes two 4″ Diamond Whetstones™ for a wide range of sharpening tasks. The sharpening surface is 4-3/8″ x 7/8″. One stone is a fine and one a coarse diamond whetstone. Additional stones made to fit the Aligner Kit are available. Made in Marlborough, Massachusetts by DMT, the tradename of Diamond Machining Technology, Inc.

$64.99 Add to cart
DMT FSKC Diafold Diamond Serrated Sharpener Coarse Grit
DMT FSKC Diafold Diamond Serrated Sharpener Coarse Grit

The DMT FSKC Diafold Diamond Serrated Sharpener has a coarse grit. The four-inch diamond cone sharpens serrated blades quickly and easily. The clear handle folds around the sharpener to form a sheath. Made in Marlborough, Massachusetts by DMT, the tradename of Diamond Machining Technology, Inc.

$34.99 Add to cart
DMT FSKF Diafold Diamond Serrated Sharpener Fine Grit
DMT FSKF Diafold Diamond Serrated Sharpener Fine Grit

The DMT FSKF Diafold Diamond Serrated Sharpener has a four-inch diamond cone sharpening surface. It is also a fine grit stone. Additionally, the polycarbonate double handle folds around the whetstone to form a sheath. This measures 4-1/2″ x 1″ when closed. DMT manufactures this in Marlborough, Massachusetts.

$37.50 Add to cart
DMT FWEF Diafold Diamond Sharpener with Fine and Extra Fine Sides
DMT FWEF Diafold Diamond Sharpener with Fine and Extra Fine Sides

The DMT FWEF Diafold Diamond Sharpener. has a 4-3/8″ x 7/8″ sharpening surface. it is also a two-grit combination stone. The red side is a fine grit, and the green side is extra-fine. Additionally, the polycarbonate double handle folds around the whetstone to form a sheath. This measures 4-1/2″ x 1″ when closed. DMT manufactures this in Marlborough, Massachusetts.

$52.50 Add to cart
DMT-FWC Diafold Diamond Sharpener
DMT FWF Diafold Diamond Sharpener Coarse Grit

The DMT-FWC Diafold Diamond Sharpener has a 4-3/8″ x 7/8″ sharpening surface. It is also a coarse grit stone. Additionally, the polycarbonate double handle folds around the whetstone to form a sheath. This measures 4-1/2″ x 1″ when closed. DMT manufactures this in Marlborough, Massachusetts.

$31.95 Add to cart
DMT FWF Diafold Diamond Sharpener Extra Fine Grit
DMT FWF Diafold Diamond Sharpener Extra Fine Grit

The DMT-FWC Diafold Diamond Sharpener has a 4-3/8″ x 7/8″ sharpening surface. It is also a fine grit stone. Additionally, the polycarbonate double handle folds around the whetstone to form a sheath. This measures 4-1/2″ x 1″ when closed. DMT manufactures this in Marlborough, Massachusetts.

$31.95 Add to cart
DMT FWF Diafold Diamond Sharpener Fine Grit
DMT FWF Diafold Diamond Sharpener Fine Grit

DMT FWF Diafold Diamond Sharpener has a. 4-3/8 inches x 7/8inches sharpening surface. The single side sharpener has a fine grit of 25 micron and 600 mesh. it is a convenient size of 9 1/2″ when open and 5″ when closed. The clear handle folds around the sharpener to form a sheath. Made in Marlborough, Massachusetts by DMT, the tradename of Diamond Machining Technology, Inc.

$31.95 Add to cart
DMT FWFC Diafold Diamond Sharpener with Fine and Coarse Sides
DMT FWFC Diafold Diamond Sharpener with Fine and Coarse Sides

The DMT FWFC Diafold Diamond Sharpener has a 4-3/8″ x 7/8″ sharpening surface. It is also a two-grit combination stone. The red side is a fine grit, and the blue side is coarse. Additionally, the polycarbonate double handle folds around the whetstone to form a sheath. This measures 4-1/2″ x 1″ when closed. DMT manufactures this in Marlborough, Massachusetts.

$49.95 Add to cart
DMT W6C Diamond Stone Coarse Grit 6 IN in a Wood Box
DMT W6C Diamond Stone Coarse Grit 6 IN in a Wood Box

The DMT W6C Diamond Stone Coarse Grit comes in a wood box. It measures 6 inches x 2 inches. This DMT diamond sharpening stone is an extra coarse stone The grit is 352 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$70.79 Add to cart
DMT W6CP Diamond Coarse Grit Stone 6 IN in a Plastic Box
DMT W6CP Diamond Coarse Grit Stone 6 IN in a Plastic Box

The DMT W6CP Diamond Coarse Grit Stone comes in a plastic box. It measures 6 inches x 2 inches. This DMT diamond sharpening stone is a coarse stone The grit is 325 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$59.95 Add to cart
DMT W6EP Diamond Extra Fine Grit Stone 6 IN in a Plastic Box
DMT W6EP Diamond Extra Fine Grit Stone 6 IN in a Plastic Box

The DMT W6EP Diamond Extra Fine Grit Stone comes in a plastic box. It measures 6 inches x 2 inches. This DMT diamond sharpening stone is an extra fine stone The grit is 1200 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$56.95 Add to cart
DMT W6F Diamond Stone Fine Grit 6 IN in a Wood Box
DMT W6F Diamond Stone Fine Grit 6 IN in a Wood Box

The DMT W6F Diamond Stone Fine Grit comes in a plastic box. It measures 6 inches x 2 inches. This DMT diamond sharpening stone is an extra coarse stone The grit is 600 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$71.95 Add to cart
DMT W6FP Diamond Fine Stone 6 IN in a Plastic Box
DMT W6FP Diamond Fine Stone 6 IN in a Plastic Box

The DMT W6FP Diamond Fine Stone comes in a plastic box. It measures 6 inches x 2 inches. This DMT diamond sharpening stone is an extra coarse stone The grit is 600 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$59.95 Add to cart
DMT W6XP Diamond Extra Coarse Stone 6 IN in a Plastic Box
DMT W6XP Diamond Extra Coarse Stone 6 IN in a Plastic Box

The DMT W6XP Diamond Extra Coarse Stone comes in a plastic box. It measures 6 inches x 2 inches. This DMT diamond sharpening stone is an extra coarse stone The grit is 220 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$60.95 Add to cart
DMT W7EFC Pocket Diamond Sharpener Kit
DMT W7EFC Pocket Diamond Sharpener Kit 3 Piece

The DMT W7EFC Pocket Diamond Sharpener Kit is a set of three pocket whetstones. The sharpening surface measures 2-5/8″ x 7/8″. The green stone is extra fine grit, the red stone is fine, and the blue stone is coarse. They are portable enough to take anywhere. Use only water for lubrication. DMT manufactures this in Marlborough, Massachusetts.

$28.95 Add to cart
DMT W8C Diamond Stone Coarse Grit 8 IN in a Wood Box
DMT W8C Diamond Stone Coarse Grit 8 IN in a Wood Box

The DMT W8C Diamond Stone Coarse Grit comes in a wood box. It measures 8 inches x 2 inches. This DMT diamond sharpening stone is an extra coarse stone The grit is 325 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$115.89 Add to cart
DMT W8F Diamond Stone Fine Grit 8 IN in a Wood Box
DMT W8F Diamond Stone Fine Grit 8 IN in a Wood Box

The DMT W8F Diamond Stone Fine Grit comes in a wood box. It measures 8 inches x 2 inches. This DMT diamond sharpening stone is a fine stone. The grit is 600 diamond mesh. DMT manufactures this in Marlborough, Massachusetts.

$115.89 Add to cart
DMT W8FCNB Duo Sharp Bench Stone 8 IN Fine-Coarse
DMT W8FCNB Duo Sharp Bench Stone 8 IN Fine & Coarse

The DMT W8FCNB Duo Sharp Bench Stone is a bench stone. The sharpening surface measures 8 IN x 2.5 IN x 3/8 IN.  One side is fine, the other side is coarse with a long-life diamond surface. A base used alone or with a base which is purchased separately. Use only water for lubrication. DMT manufactures this in Marlborough, Massachusetts.

$127.69 Add to cart