| Collar | Part | Collar | E | F | G | H | I |
| Type | Number | Diameter | Diameter | Diameter | Length | Diameter | Diameter |
| Grade 2 | HS2CF-R8 | 1/4 | .565 | .073 | .395 - .365 | .366 - .358 | .254 - .250 |
| HS5CF-R10 | 5/16 | 0.705 | .094 | .490 - 015 | 0.460 - .005 | .312 - .318 | |
| Grade 5 | HS5CF-R12 | 3/8 | .850 | 100 | .660 - .015 | 0.555 - .005 | 0.380 - .005 |
| Grade 8 | HS8CF-R12 | 3/8 | .850 | 100 | .660 - .015 | 0.566 - .005 | 0.380 - .005 |
