Is all sorts of advice was on the use of caps and lids from unnecessary bubbles and tubes. Here’s another — receiving beautiful shaped heads of bolts or nuts. Look at the picture. Depending on the conceived in the cover is inserted into the bolt (or nut, screwed on a greased bolt) and filled with epoxy resin.
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It is sometimes necessary to drill small holes in tight spaces, and dimensions of a drill to make it not allow. Rescued would offer a mini-drill, made on the basis collet pencil. This...
A simple solution to a complex problem
It happens that a stud or tap gets cut off or broken, remaining in the hole. An unpleasant situation, but not hopeless. A proven technique will help: the hole needs to be drilled out to a...
