Seller notes

This is the tap and tap-drill needed to drill out a broken stud, or to chase the threads before you install new hardware in your 4.6, 5.4 or 6.8 liter Ford cylinder heads. Both the drill and tap are quality High Speed Steel (not carbon steel like you find in most hardware stores), but remember, these studs have seen thousands of heat cycles, which means they are pretty hard, so here are some important tips: start with one or two smaller size drillls and work up to the tap-drill, use plenty of oi...

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