| PART NO.SIZE | TUBE 0.0. | B1 THREAD | B2 THREAD | B3 THREAD | B1 DRILL | B2 DRILL | B3 DRILL | K DEPTH | M LGTH | M5 LGTH | C HEX | Y FLATS |
| C6600-04-04-04-FG | 1/4 | 7/16-20 | 7/16-20 | 7/16-20 | 0.203 | 0.203 | 0.203 | 0.234 | 0.89 | 1.05 | 0.562 | 0.438 |
| C6600-06-06-06-FG | 3/8 | 9/16-18 | 9/16-18 | 9/16-18 | 0.281 | 0.281 | 0.281 | 0.250 | 1.05 | 1.28 | 0.688 | 0.562 |
| C6600-08-08-08-FG | 1/2 | 3/4-16 | 3/4-16 | 3/4-16 | 0.422 | 0.422 | 0.422 | 0.305 | 1.25 | 1.47 | 0.875 | 0.750 |
| C6600-12-12-12-FG | 3/4 | 1-1/16-12 | 1-1/16-12 | 1-1/16-12 | 0.656 | 0.656 | 0.656 | 0.350 | 1.58 | 1.77 | 1.250 | 1.062 |