His own hole machine for the new open a woodworking drill. Jiangsu woodworking drilling machine Deep hole drilling machine Aims to provide a can quickly drill a square hole, long hole, and bit of good quality, technology easy to master. Including drill bit, drill bit the front of the department have a drill tip, circumferential cutting edge, the main cutting edge, and the bits in the bit body connected front end department has spiral out crumbs slot, the backend is drill shank. Outside of the drill bit set have internal foreign drill set, its size and drill hole move to cooperate with each other, outside the square size in line with needs processing square hole length, the drill set of front-end system of blade, drill sets of backend system has a holding handle, drill sets of intermediate system has at least one inside and outside the interlinked chip out of the hole, the bit length is longer than drill sets.

Carpenter's square hole drill is mainly used for square hole mortise, woodworking mechanical tenon groove width 22 mm square hole pleasing to the eye. The biggest tenon groove depth of 100 mm. The spindle speed of 2840 r/min. 540 x225mm table size. The workbench movements itinerary 250 mm. Horizontal stroke of 40 mm. Longitudinal travel 20 mm. Maximum working height 400 mm. The workbench 30 degrees right left. The motor power is 1.5 kw.