Small screw jack with a knurled head for quick, easy finger adjustment. Order matching Knurled Check Nut separately below if desired. Made in USA.The Knurled Screw Jacks are for Standard System MF40 (1/2-13 thread).
| Material | Heat Treat | Finish | DFARS | RoHS |
| 12L15 Steel | Carburized-Hardened | Black Oxide | โ | โ |

| A Thread | B | C Dia |
| 1/2-13 | 2-1/2 | 1-1/8 |