| Circulation type | Model | Characteristic | |
| Single Nut | Double Nuts | ||
| Internal Circulation type | SFK SFNU SFNI SCI | DFNU DFNI | •Dedicated diameter of screw takes only little space. •Applicable to those with smaller lead / the outside diameter of the screw |
| External Circulation type | SFV XFV | DFV | •Economy •Applicable to larger lead and diameter. •Applicable for high loading purpose. |
| End-caps Circulation type | SFS SFY SFA | DFS | •Suitable for high speed positioning |
Size Table of SFK Screws
| Model No. | d | l | Da | Dimension | Load Rating | ||||||||
| D | A | B | L | W | H | X | n | Ca(kgf) | Coa(kgf) | ||||
| SFK0601-4 | 6 | 1 | 0.8 | 12 | 24 | 3.5 | 15 | 18 | 16 | 3.4 | 1×4 | 170 | 12 |
| SFK0801-4 | 8 | 1 | 0.8 | 14 | 27 | 4 | 16 | 21 | 18 | 3.4 | 1×4 | 245 | 16 |
| SFK1002-4 | 10 | 2 | 1.2 | 18 | 35 | 5 | 28 | 27 | 22 | 4.5 | 1×4 | 466 | 21 |
| SFK1202-4 | 12 | 2 | 1.2 | 20 | 37 | 5 | 24 | 29 | 24 | 4.5 | 1×4 | 572 | 24 |
| SFK1402-4 | 14 | 2 | 1.2 | 21 | 40 | 6 | 23 | 31 | 26 | 5.5 | 1×4 | 677 | 28 |
