Vertical Deep hole honing machine SV3000 The SV3000 vertical honing machine is a machine tool used for deep hole honing, and can be used for honing cylinder holes in cars, trucks, and other automobiles. The workbench can move longitudinally and horizontally on the air cushion board, and can be locked in any position. The expansion of the honing head can be adjusted at any time during the honing process, and can also automatically expand or contract.