ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.
a型钻头磨刀机结构简单,使用方便,一次装夹就可以完成钻头的钻尖和横刃的修磨。
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An easy way to get the door to align correctly is to pre-drill the hort hinge flats before welding on the sides of the shoot (it can be done with careful setup and marking out).