Posted 4/29/2014 19:11 (#3844452 - in reply to #3844190) Subject: RE: drilling holes?
south texas
They are 100 or so apiece but are worth every penny when doing work like this. Annular steel hole cutters. I drilled 8 3/4 holes in our 1780 main frame for a project. Took about 2 min a piece while taking breaks and oiling holes. Cutting oil is needed as heat is ur enemy.