reamers are rotary cutting tools. they are of conical cylindrical shape and reamers are used for enlarging and finishing to accurate dimensions holes. reamers are used to clean the existing drilled bores or cored holes. reamers are not used to drill a hole from beginning or starting. reamers are commonly used in metalshop and machine shop work. reamers are round shape files to clean, finish and final sized diameter an existing tight hole. reamers are commonly used in jewellery works also. reamers are also used to remove any burrs or rough edges.
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barrel reaming procedure. bore 30 reamer how to chamber cutting 9mm diy yourself at home 4140 4041
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