Rozwiertaki maszynowe NRTb
Rozwiertaki maszynowe NRTb zdzieraki trzpieniowe długie z chwytem stożkowym Morse'a. Narzędzie nasadzane z zabierakiem czołowym wg. DIN 138. Rozwiertaki NRTb są wykoanen według standardu DIN 346 ze stali szybkotnącej (HSS). Kąt pochylenia linii śrubowej rowków wiórowych - 20°.
| Produkt | D [mm] | l [mm] | Długość L [mm] | Nr. stożka | Rodzaj stali |
 | 49.6 | 220 | 369 | 4 | HSS |
 | 47.6 | 220 | 369 | 4 | HSS |
 | 45.6 | 215 | 364 | 4 | HSS |
 | 44.6 | 210 | 359 | 4 | HSS |
 | 43.6 | 210 | 359 | 4 | HSS |
 | 41.6 | 205 | 354 | 4 | HSS |
 | 39.6 | 200 | 349 | 4 | HSS |
 | 37.6 | 200 | 349 | 4 | HSS |
 | 35.6 | 195 | 344 | 4 | HSS |
 | 34.6 | 190 | 339 | 4 | HSS |
 | 33.6 | 190 | 339 | 4 | HSS |
 | 31.6 | 185 | 306 | 3 | HSS |
 | 29.7 | 175 | 296 | 3 | HSS |
 | 27.7 | 170 | 291 | 3 | HSS |
 | 26.7 | 170 | 291 | 3 | HSS |
 | 25.7 | 165 | 286 | 3 | HSS |
 | 24.7 | 160 | 281 | 3 | HSS |
 | 23.7 | 160 | 281 | 3 | HSS |
 | 22.7 | 155 | 255 | 2 | HSS |
 | 21.7 | 150 | 243 | 2 | HSS |
 | 20.7 | 145 | 243 | 2 | HSS |
 | 19.7 | 140 | 238 | 2 | HSS |
 | 18.7 | 135 | 233 | 2 | HSS |
 | 17.75 | 130 | 228 | 2 | HSS |
 | 16.75 | 125 | 223 | 2 | HSS |
 | 15.75 | 120 | 218 | 2 | HSS |
 | 14.75 | 114 | 212 | 2 | HSS |
 | 13.75 | 108 | 189 | 1 | HSS |
 | 12.75 | 101 | 182 | 1 | HSS |
 | 11.75 | 94 | 175 | 1 | HSS |
 | 10.75 | 94 | 175 | 1 | HSS |
 | 9.8 | 87 | 168 | 1 | HSS |
 | 8.8 | 81 | 162 | 1 | HSS |
 | 7.8 | 75 | 156 | 1 | HSS |
