Description
base length 300 mm
base width 300 mm
length of a rod for clamping abrasives 660 mm
Aluminum base (body)
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Diamond sharpening stone PETROGRAD 150mm*12mm*3mm 1200 grit
Diamond sharpening stone PETROGRAD 200mm*70mm 300 grit
Diamond sharpening stones PETROGRAD bars are intended for processing high-carbon steels and cast iron products. Diamond bars are monolithic sharpening with a continuous flat diamond layer. The diamond-bearing layer of the bars is made of synthetic diamond micropowders on a copper-tin bond M2-01.
The relative concentration of highly aggressive synthetic diamonds (ASD) is 100%.
Aggressive diamonds provide high productivity. Also, the bars have high abrasion resistance.
Diamond stones do not need to be soaked in water prior to use as they do with abrasive stones, but should be handled with honing oil or water.
Diamond bars are monolithic six-sided, therefore 6 sides are working.
Size, mm - 200x70x3 - LxWxH.
The following grains are available: 40/28 (300грит)
Petrograd Bevel Gauge, round
Protractor PETROGRAD, round, for checking the angles of sharpening of tools. 12 cutouts for angles - 15 °, 17.5 °, 20 °, 22.5 °, 25 °, 27.5, 30 °, 32.5 °, 35 °, 40 °, 60 °, 118 °. The depth of the cutouts is 19mm. Template diameter - 50mm. This template complements the PETROGRAD rectangular protractor. The convenient and compact template is used to check angles when sharpening chisels, cutters, planer knives and other cutting tools. There are holes at the end of the cutouts, which allows you to use a template to determine intermediate values from the values available in the set and not spoil the RC. Made of brass.
Production - factory of joinery and carpentry tools PETROGRAD.
Made in Russia.