Special manual tapping machine for titanium alloy small threads

The utility model provides a special manual tapping machine for titanium alloy small threads, which comprises a base and a cross-shaped workbench, one end of the base is movably provided with the cross-shaped workbench through a sliding device, and the other end of the base is provided with a sliding sleeve bracket parallel to the cross-shaped workbench through a height support rod; a screw tap isvertically installed at the end, away from the height supporting rod, of the sliding sleeve support through a fixing screw tap sliding rod, a hand wheel is installed at the top of the fixing screw tap sliding rod, the relative perpendicularity of a sliding hole of the sliding sleeve support on the working face of the cross-shaped workbench is smaller than 0.02, and the concentricity of a fixing hole of the screw tap and the fixing screw tap sliding rod is smaller than 0.02. A thread containing groove is formed in the table top of the cross-shaped workbench. The screw tap is simple in structure and convenient to opera