Carbide woodworking taper drill can

Carbide woodworking taper drill can simultaneously drill the screw hole and the counterbore receiving the screw cap and keep both on the same axis. After screwing the screw, the screw cap is located below the plane of the board.

結果 (繁體中文) 1:

碳化物木工鑽頭錐形可以同時鑽螺紋孔和擴孔接收螺帽和保持二者在同一軸線上。擰螺釘後，將螺帽位於所述板的平面的下方。

結果 (繁體中文) 2:

硬質合金木工制壓片鑽可同時鑽螺杆孔和副孔，接收螺釘蓋，並保持在同一軸上。擰螺釘後，螺釘蓋位於板平面下方。

結果 (繁體中文) 3:

硬質合金木工錐鑽可同時鑽取螺孔和接螺帽的沉孔，並使兩者保持在同一軸線上。擰緊螺釘後，螺釘帽位於板平面下方。