Hello, Im hoping someone on here could possible help me with selecting a drill for a job weve got here in a shop. We are drilling about 300 .043 holes about .500 deep thru into A-2 Steel. we have used Guhring and Walter Titex carbide drills so far with some success but would like to find something with better life and durability. We are using Blazer bc40 soluble cutting oil mixed at about 6-8 percent. The machine we are using is a Haas vf3ss mill with a 40 taper spindle and standard er16 parlec collet holders. Any opniions or helpful advice would be appreciated. Thank you