- Country of manufactureRussia
Universal and widespread form, renting of strengthening of a welded seam, processing of openings, radial grooves, radial interfaces.
Advantages of a rotary file of the increased accuracy: more resistant to wear, sharper cutting edge, the minimum beating, smaller effort when cutting, smaller friction, smaller heating of the processed surface, high quality of the processed surface.
Material of the cutting part
it is made of solid alloy of the BK8 brand with a hardness of 88 … 91 HRA.
it is made of steel of brand 50HGA, 35HGSA with training with the hardness of 40 … 47 HRC.
|D1 – 25 mm.||d2 – 8(6) mm.||L1 – 67 mm.||l2 – 22 mm.|