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Grąžtai · ANNO 1957Lithuanian manufacturer · Since 1957
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GRĄŽTAI / ANNO 1957

Extra-long straight-shank twist drills DIN 1869

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AB Grąžtai - Extra-long straight-shank twist drills DIN 1869

d - diameter;     l - flute length;     L - overall length.
  RN
Cutting direction Right-hand
Diameter, mm Ground: d=2.00–13.0  
Workpiece material For deep and hard-to-reach hole drilling in carbon, alloy and structural steels and cast iron.

 

  1 series 2 series 3 series
Diameter, mm L, mm l, mm L, mm l, mm L, mm l, mm
2.00–2.10 125 85        
2.15–2.35 135 90        
2.38–2.65 140 95        
2.70–2.95 150 100 190 130    
3.00 150 100 190 130 240 160
3.10–3.30 155 105 200 135 250 170
3.40–3.70 165 115 210 145 265 180
3.80–4.20 175 120 220 150 280 190
4.30–4.60 185 125 235 160 295 200
4.76–5.30 195 135 245 170 315 210
5.40–6.00 205 140 260 180 330 225
6.10–6.70 215 150 275 190 350 235
6.75–7.50 225 155 290 200 370 250
7.54–8.50 240 165 305 210 390 365
8.60–9.50 250 175 320 220 410 280
9.52–10.60 265 185 340 235 430 295
10.70–11.80 280 195 365 250 455 310
11.90–13.00 295 205 375 260 480 330