Uża tħaffir b'xekkel dritta u reaming, boring eċċ. Mgħammar b'bronżina maqsuma biex takkomoda bar boring ta 'dijametru żgħir. Hija qabda b'riġidità estrema. Qatgħat bla xkiel mingħajr chatter.
Oġġett NO. | A(fi) | B(in) | C(in) | D(in) | Dija tat-tbandil (in) | |
550-104 | 250-104 | 3/4 | 1-1/2 | 5/8 | 3/4 | 3/4 |
550-204 | 250-204 | 7/8 | 1-3/4 | 3/4 | 1 | 1 |
550-304 | 250-304 | 1 | 2 | 3/4 | 1 | 1 |
550-404 | 250-404 | 1-1/4 | 2-1/2 | 1 | 1-1/4 | 1-1/4 |
550-141 | 250-141 | 7/8 | 1-3/4 | 3/4 | 1 | 1 |
550-241 | 250-241 | 1 | 2 | 1 | 1-1/4 | 1-1/4 |
550-341 | 250-341 | 1-1/8 | 2-1/4 | 1 | 1-1/4 | 1-1/4 |
550-441 | 250-441 | 1-3/8 | 2-3/4 | 3/4 | 1-1/2 | 1-1/2 |