| PART NO.SIZE | TUBE 0.0. | B1 THREAD | B2 THREAD | B1 DRILL | B2 DRILL | K DEPTH | L LGTH | C HEX |
| C6400-L-04-04-O | 1/4 | 7/16-20 | 7/16-20 | 0.203 | 0.203 | 0.234 | 2.02 | 0.562 |
| C6400-L-06-06-O | 3/8 | 9/16-18 | 9/16-18 | 0.281 | 0.281 | 0.250 | 2.23 | 0.688 |
| C6400-L-08-08-O | 1/2 | 3/4-16 | 3/4-16 | 0.422 | 0.422 | 0.305 | 2.62 | 0.875 |
| C6400-L-10-10-O | 5/8 | 7/8-14 | 7/8-14 | 0.500 | 0.500 | 0.350 | 2.98 | 1.000 |
| C6400-L-12-12-O | 3/4 | 1-1/16-12 | 1-1/16-12 | 0.656 | 0.656 | 0.350 | 3.53 | 1.250 |
| C6400-L-16-16-O | 1 | 1-5/16-12 | 1-5/16-12 | 0.875 | 0.875 | 0.415 | 3.91 | 1.500 |
