Gritomatic - High precision knife sharpeners and sharpening supplies
It all starts with a knife. A knife that deserves respect and requires proper maintenance. Keep it sharp, the magazine articles say. But this can be a difficult and frustrating process. Old crafts are becoming less important, and tool sharpening skills are no exception. Our mission is to ensure this craftsmanship endures. The idea of knife sharpening being performed by the individual to whom the knife belongs is close to our heart. As such, the support we offer our customers includes information about sharpening stones, abrasives and knife maintenance. We provide modern, high-quality sharpeners that give a fast, long-lasting edge, as well as various stones and accessories. We have a great love for the craft of knife sharpening, and our aim is to share this passion with our customers.
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Rotating Clamp System for Hapstone V7


Hapstone

Hapstone Rotating Clamp System is an optional upgrade module designed to clamp the knife and flip it easy and fast during sharpening on Hapstone V Series knife sharpeners. Rotating Clamp System helps to maintain the consistent sharpening angle when flipping the knife.

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Gritomatic on Blade Show 2018

May 25, 2018

At last, we have received the final production sample of Hapstone R1. We are ready to show it!

Hapstone R1 completes the full product line of knife sharpeners:

  • Hapstone M2 in the economy segment
  • Hapstone V7 in the middle
  • Hapstone R1 in the high-end segment

It was the tough time for Hapstone as R1 and M2 were in development simultaneously. R1 was almost ready in 2017 but was completely redesigned.

We will show all three knife sharpeners on upcoming BladeShow 2018 in Atlanta.

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Upcoming products

February 04, 2018

Gritomatic will add many new KME stones in March. A little preview of first three:

  1. Transition Coticule - purplish blend layer between Yellow Coticule and BBW with unique properties (like a higher performance than Coticule and BBW.) [Photo shows BBW - Transition Coticule - Yellow Coticule for comparison]
  2. Alumina-Zirconia Ceramic (limited edition) - the cut of a LapMaster ceramic disk for lapping microprocessor integral chips. Alumina-Zirconia outperforms Alumina in abrasion resistance.
  3. Soft Washita from Dan's Whetstone - coarser version of Soft Arkansas.

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Interactive grit chart

October 17, 2017

Take a look at our new Interactive grit chart. Whenever you have any sharpening stone opened in Gritomatic.com, you may see grit information in specs. Different colors corresponds to grit range (extra coarse/coarse/medium/fine/extra fine/ultra fine), and abrasive scale is specified.

If you want to check how these grits correspond to another scale, you may click button to open interactive chart. The emphasized column is an abrasive scale used for the selected sharpening stone. Crystal shaped marks show values available grits or a composition of stone set. The green horizontal ruler floats above mouse cursor and helps you to convert grit to another scale. Phone and tablet users may click anywhere to move the ruler to another position.

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