Opening up an existing hole to a larger size. Begin to run the drill bit into the metal plate. Pin By Patrick O Brien On Lee S Projects In 2022 Drill Bits Drill Bit Sizes Drill Bit Sets The beat way is to use a tapered reamer to enlarge the hole a little. . Firstly ensure that your workpiece is securely fixed and isnt going to move. Dial the fixture in then drill the holes. This would prevent any accidental breakage of. Aligning two holes where there is overlap. Grab a broom handle 30mm dia and fix one end to fit a 12 inch electric hand drill. I have to enlarge four holes in 18th inch steel from 38 to 12. For clean precise holes in thin sheet metal make a wood sandwich. A job on-site or in the workshop can be going fine until a small problem like a misaligned hole a poorly drilled hole or a connection hole that is too small can put. Drilling Hole in Metal Step By Step Guide Step-1. Its slo...
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