| Doporučené otáčky stupňovitých vrtákov |
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Materiál
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0,1-6mm
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0,1-4mm
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0,1-2mm
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< 4mm
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< 4mm
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Veľkosť
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0/5
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4,6,8
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1500,1250,1000
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750,625,500
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650,535,420
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700,575,450
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900,760,625
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10,12
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750,500
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380,260
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310,200
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325,200
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485,350
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0/9
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4,5,6
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1500,1375,1250
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750,865,625,565
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650,590,535,475
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700,635,575,510
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900,830,760,690
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7,8,9
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1125,1000,875
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500,440,380
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420,365,310
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450,385,325
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625,555,485
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10,11,12
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750,625,500
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320,260
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255,200
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260,200
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415,350
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1
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4,6,8
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1500,1350,1200
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750,675,600
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620,580,500
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700,620,550
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900,825,750
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10,12,14
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1050,900,750
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530,460,390
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440,370,300
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475,400,325
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675,595,515
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16,18,20
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600,450,300
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320,250,180
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230,160,100
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250,175,100
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435,355,280
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2
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6,8,10,12
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1000,935,870,825
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400,375,350,325
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300,280,260,240
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450,420,390,360
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500,475,450,425
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14,16,18,20
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740,675,610,545
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300,275,250,255
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220,200,180,160
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330,305,280,255
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400,375,350,325
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22,24,26
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480,415,350
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200,180,160
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140,125,110
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230,205,180
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300,275,250
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28,30
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285,220
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140,120
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95,80
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155,130
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255,200
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3
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6,9,13,16
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1000,920,840,760
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400,370,340,310
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300,280,260,240
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450,420,390,360
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500,470,440,410
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19,21,23,26
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685,610,535,460
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280,250,220,190
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220,200,180,160
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330,330,270,240
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380,350,320,290
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29,32,35,38
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385,310,235,160
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160,130,100,80
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135,110,85,60
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205,170,135,100
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255,220,185,150
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