H320-4 M3.5 6H
H320-4 M4 6H
H320-4 M4.5 6H
H320-4 M5 6H
H320-4 M6 6H
H320-4 M6x0.75 6H
H320-4 M8 6H
H320-4 M8x0.75 6H
H320-4 M8x1 6H
H320-4 UNC1/4-20 2B