CAT 312, 315, 320, 322, 323, 324, 325, 330 screw CAT 312 screw A screw used to fasten the drive wheel in excavators of the renowned CAT brand. Fits models 312, 315, 320, 322, 323, 324, 325, 330, 336, 345, 350, 365, 375, 385, 390.
Its catalog number is: 8T-6430.
It is a hexagonal screw with a thread along its entire length. Its total length is 63 mm.
The screw is fastened with a size 30 wrench.