Boride CS-HD 800 grit bar, CS-HD series has a standard size of 152x25x6mm (6 ”x1” x1 / 4 ”). The average grain size in the sieve is about 6 microns. The stone is intended for the initial stages of refinement. It is used for removal of scratches from the previous stages of sharpening, for example, after a bar of Boride CS-HD in 600 grit. The recommended grain size for the 800 grit Boride CS-HD series stone stage is the Boride CS-HD 1000 grit (ANSI).
The Boride CS-HD series is one of the few series of bars produced by Boride, which is based on abrasive silicon carbide grains. The Boride CS-HD series has a medium hardness bond and, thanks to the silicon carbide abrasive grain, works equally well with both carbon and chromium-containing, high-alloy and powder steels. The Boride CS-HD series has extended recommendations for the hardness of machined steels from the hardest knife steels to fairly soft stainless steels.
The Boride CS-HD series works with both oil and water coolants, however, since the Boride CS-HD grindstone series is not impregnated, ie. the inter-abrasive space is not filled with a special composition that prevents the stuck products of processing between the abrasive particles (salting). Lubricating fluid penetrates into the stone during operation. To increase the productivity of the material removal process and increase the comfort of work, it is recommended to use low-density coolant, water or specialized coolant from Boride Bori-Lube in this case, as a rule, oil is preferable. Alignment of a bar is made on glass, on silicon carbide powder. During operation and when cleaning from salting the use of household detergents is allowed. The Boride CS-HD series handles both hard tool and carbon steels and mild chromium steels equally well. The Boride line of grinding stones of the CS-HD series presents bars with abrasive ability only of the peeling range of 120, 150, 220, 320, 400, 600, 800, 1000, 1200 grit in various form factors - 152x25x6mm (6 ”x1” x1 / 4 ” ), 152x12x6mm (6 ”x1 / 2” x1 / 4 ”) and 152x25x12mm (6” x1 ”x1 / 2”).
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