diy flail rock crusher
DIY Rock Crusher Page 1 Hard Rock Gold Prospecting Feb 26 2024 · I think you have the basis for a good flail mill there I built mine out of a piece of pipe of indeterminate composition diameter about 13 inches wall thickness 3 8 width 4 100mm The chain I used was a bit of old high tensile lifting chain arranged in a cloverleaf pattern around a 25mm shaft Hard Rock Gold Prospecting DIY Rock