;
Gumamit ng straight shank drilling at reaming, boring atbp. Nilagyan ng split bushing para malagyan ang boring bar na maliit ang diameter.Nakakahawak ito nang may matinding tigas.Mabagal na pinuputol nang walang satsat.
aytem Blg. | A(in) | B(in) | C(in) | D(in) | Swing dia(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 |