钻孔指导手册

Drill guide

2023-03-26 15:15:39

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I wanted a guide I could fit to the ruler of a set square. It has points built into the shape that align with the exact position of the drill holes. I used brass inserts so you can fix the position on the ruler as well as brass inserts to hold the two halves together. The 4 brass inserts in the corners have been drilled out so they have no thread in the center and take a 3mm drill when using the tool. This tool is ideal when you want a set of holes along the edge of a piece of work and they need to be exactly in line. Just slide the set square down the edge and drill through the brass and this produces a perfect straight line of drill holes. I printed it in pink so I would not lose it!

钻孔指导手册

朋友，你觉得上面这个模型，属于下面的哪个分类？