SC-80 Clamps can be inserted into table tops with Ø16mm holes for fast hold-down clamping, designed to suit table thicknesses from 3 to 10mm making them suitable for all of our Hafco welding & fixturing tables. These welding table clamps are ideal for the set-up of frames & other welding tasks giving you an affordable, easy-to-use welding table clamp that improves efficiency & consistency for your work piece.