Vintage Used Ludwig Herculese Wingnut
Used Ludwig Wingnut.
I am unsure of the thread specification but the outside of the metal part is 9.1 the inside of the thread is about 6.6 and i would guess the outer size of the bolt thread will be just under 7.9.
I am unsure of the thread specification but the outside of the metal part is 9.1 the inside of the thread is about 6.6 and i would guess the outer size of the bolt thread will be just under 7.9.