chisel (single) knife (double) The cutting edge of a knife can have different angles. 100% Guarantee!! Selecting an angle is probably one of the easiest steps in sharpening, once you know the basics. The smaller the angle is, the sharper the knife. Sharpening on a whetstone? With which sharpening stone should I start. This is the height that you can measure out with coins. Select the bevel type. To make it easy, a 20 degree bevel angle is a good starting point. To determine the sharpening angle for pocket knives, we recommend to follow the next general rules: The grinding angle which you will achieve, is determined by the height of the back of your knife against the stone. If properly sharpened, the 20 degree angle … 99 This means, that when using a sharpening rail your are less flexible with your angle than if you choose the angle manually. A handy online tool for the knifemaker to determine the angle to use when grinding single or double bevel blades. Examples of brands which carry knives made of hard steel (sharpening at an angle of 15 °) Böker, Eden, Global, Kai Shun, Robert Herder, Sakai Takayuki Myabi, Zwilling. 3) Measure the thickness of the blade in mm In this table below we show the possible heights: If you use a sharpening rail, we recommend to apply a strip of adhesive tape on the back of the knife before clamping on the sharpening rail, to prevent damage of the blade. The bigger sharpening rail creates a fixed height of 6.5mm. Read more about cookies on our cookie page. Knives that are thin at the edge tend to cut better but at the cost of durability. SHARPAL 196N Angle Pyramid Whetstone Knife Blade Sharpener Sharpening Stone Angle Guide 2-Pack, 4 Universal Angles-14°, 17°, 20°, 25° 4.1 out of 5 stars 395 $6.99 $ 6 . Find the correct sharpening angle in three steps! Therefore, the cutting edge of a very sharp knife, is very narrow. Sharpening it to the same level consistently every time, though, is another matter entirely, since it’s not really easy to get an objective measurement of the sharpness of an edge. If you continue you accept our cookies. 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The blade has a width of 52 mm, the thickness of the back of the knife is 2.4 mm, the height which you find in the table with step 2 is more than 13 mm. Selecting an angle for your knife edge is an important first step in sharpening. … 2) Go to Step 2 and find the correct height If you notice that your knife becomes dull or damages quite quickly, then maybe you are sharpening the knife too thin and then we recommend to use a larger sharpening angle. If you don't want to work with a ruler, there are two handy helpers which we can recommend. The angle of the cutting edge of Japanese knives is usually 30 °. Utmost SAFETY! Another solution is to try it first with a pile of coins to match the correct height. 4) Calculate as follows: The height in mm - half of the thickness of the back of the knife. A thick edge is more durable but loses out on slicing tasks. The sharpening angle for your knife is half the angle of the cutting edge (after all, you will sharpen on 2 sides). Knivesandtools uses cookies and similar techniques to make sure we can help you even better. You can determine the correct height with a simple formula. The calculation which follows is approximately 13 mm - 1, 2 mm = 11, 8 mm. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. The sharpening angle of a Japanese knife (please find a few examples below) is therefore 15 ° (30 °/2) and of other knives 18 ° to 20 °. Sharpening a dull knife is easy enough if you have the proper tools on hand. Diamond Sharp Fixed Angle, Accurate Whetstone Sharpener Blade Guide. Example: You are going to sharpen a Böker Saga Cook's knife with an angle of 15 °. You’re seeing this ad based on the product’s relevance to your search query. Other, for example German knives (55-58 HRC), often are made of slightly softer types of steel and are sharpened under a wider angle. If you have determined the required grinding angle, measure the width of the knife. 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