The DF-1690 Boron® Killer spot weld bit is best used with the original Spot Annihilator DF-15DX with its patented Predator Approach prevents slamming of the drill bit into the panel. The ONLY way to drill through Boron Steel is with this bit.
Dent Fix Equipment DF-1667 Boron Killer Drill Bit - 6.7x80mm
Dent Fix Equipment Boron Killer DF-1667 Spot Weld Drill Bit
Dent Fix Equipment DF-1665 Boron Killer Drill Bit - 6.5x80mm
Dent Fix DF-1690 Boron Steel Spot Weld Drill Bit For Uhss, Ahss And Boron Steels
New Dent Fix 1.5 Ton Rated Fender Puller - Dent Fix DF-HD0140