Ukuze isetshenziswe nezibambi zebhithi ye-hex drive engu-1/4" kanye nezinsiza. Idizayinelwe ukusetshenziswa nezibophelelo ezinembobo ye-hexagon. Sebenzisa ngezikulufu ze-in-hex noma izikulufu ze-grub. Idizayinelwe futhi yakhiwe yaba yi-DIN 3126/ ISO 1173.
| Usayizi mm | Shayela | Pakisha i-QTY | Ubude mm |
| 4 | 1/4 intshi hex | 1 | 89 mm |