Dent Fix 1690 Boron Killer Spot Weld Drill Bit 8 x 45mm
The ONLY way to drill through Boron Steel is with this bit. This drill bit was created to specifically cut spot welds from Boron Steel. Ultra High Strength (UHSS) also known as Boron Steel is used by many vehicle manufacturers to lighten the vehicles weight and increase gas mileage while increasing structural strength.