APEX Machine Vices Shaft Self Centering

Features : Centering Vices are constructed to hold bars and tubes in firm concentric grip. They feature 4 point clamping contact so work pieces are held securely without hard clamping which can result in damage to delicate partsli Bearing Surface Precision ground. Flatness within 0.0012" (30 microns). The Vice is precisely manufactured of highest quality material , has an accuracy of parallelism of .006" per ft.li Totally enclosed acme screw with three point location of operating in Manganese Bronze Nut. Construction : Close Grey Iron dully stress relieved body. The supporting tool steel V - Block is hardened and ground and is reversible to accommodate a wide range of diameters. Finish : Hammer tone mid gray