Any American made Drill Bit with HSS (High-Speed Steel) on it that is sharp will work fine as long as what you are trying to drill isn't harder than what your Drill Bit is made of.
What type of drill bit should I use to make holes for my thermostats on my new Old Country Pecos?
Also knowing the correct speed (RPM) to spin the Drill Bit is important. General Rule of Thumb, Large Drill bits turn slow and small drill bits turn fast! There is drill bit speed chart available online if you would like more specifics.
Any American made Drill Bit with HSS (High-Speed Steel) on it that is sharp will work fine as long as what you are trying to drill isn't harder than what your Drill Bit is made of.