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

Extended-length straight-shank twist drills DIN 339

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AB Grąžtai - Extended-length straight-shank twist drills DIN 339

d - diameter;     l - flute length;     L - overall length.
  RN
Cutting direction Right-hand
Diameter, mm Ground: d=0.65–20.0  
Workpiece material For drilling carbon, alloy and structural steels and cast iron.

 

Diameter, mm L, mm l, mm Diameter, mm L, mm l, mm
0.65 36 18 4.76–5.30 108 74
0.70 39 20 5.40–6.00 116 80
0.80 42 22 6.10–6.70 124 86
0.95 45 24 6.75–7.50 133 93
0.98–1.05 48 26 7.54–8.50 142 100
1.10–1.15 50 28 8.60–9.50 151 107
1.19–1.30 52 30 9.52–10.60 162 116
1.35–1.50 55 33 10.70–11.80 173 125
1.55–1.70 58 35 11.90–13.20 184 134
1.75–1.90 62 38 13.30–14.00 194 142
1.95–2.10 66 41 14.20–15.00 202 147
2.15–2.35 70 44 15.25–16.00 211 153
2.38–2.65 74 47 16.25–17.00 218 159
2.70–3.00 79 51 17.10–18.00 226 165
3.10–3.35 84 55 18.25–19.00 234 171
3.40–3.70 94 60 19.05–20.00 242 177
3.80–4.25 96 64      
4.30–4.70 102 69