Ring Hammer
3. a ring hammer according to claim 1, wherein said contact surface is centered on said axial length. 4. a ring hammer according to claim 1, wherein said teeth are symmetric about a radius extending from said axis, when viewed axially, to facilitate reversing of said hammer in.China mill crushing mill crushing manufacturerschina mill crushing mill crushing manufacturershot sale large coal and limestone hammer crusher mill pca for glass gypsum concrete and chalk crushing fob price us set min order 1 set, high quality ring hammer crusher.