用同一规格的手用钢锯条20～30个,按锯齿方向一致叠在一起,用铁丝穿过两端小孔将锯条扎紧,在锯条后端用棉纱或布条缠60毫米左右,缠裹到以手握适度为宜。用它代替锉刀加工各种曲线形状的有色金属零件或模具,效果尤为理想。它具有锉削光洁度高,不易糊齿,对工件形状适应性强 With the same size hand saw hacksaw 20 to 30, according to the same direction of sawtooth stacked together, with wire through the two ends of the hole will be tight Saw Blade, the rear end of the band with cotton yarn or cloth wrapped around 60 mm, wrapped To moderate hand is appropriate. Use it instead of file processing all kinds of curved non-ferrous metal parts or mold shape, the effect is particularly desirable. It has a filing cut smooth finish, easy to paste, adaptable to the shape of the workpiece