USING COMMON ROTARY DRILL PIECES IN IMPROVISED FORM AS MULTI-TASK LATHE TOOLING

摘要

A means of holding formed twist drill to be Lathe tools in accurate formed metal holders that are fastened in the tool post of Lathe with the bottom holder with filed or abraded groove being main holder a thin sliver can also act as top holder for various Lathe tools of various cutting types in a metal Lathe. kr) k I kr)I