Small holes are often finished in the lathe by drilling and reaming without the use of a boring tool.
Fig. 11 shows how a taper hole is bored in an engine piston-head, preparatory to reaming.
The lathe is run very slowly for reaming and the reamer is fed into the work by feeding out the tailstock spindle.
Babbitt metal is also worked dry, ordinarily, although kerosene or turpentine ...