Boron Spot Weld Bit 8mm X 45mm

Grade A Tools 8mm x 45mm Boron Buster is the USA-made tungsten carbide drill bit engineered to slice through spot welds in ultra-high-strength Boron and UHSS steel like intrusion beams, B-pillars, and rocker rails—delivering clean cuts without breakage or contamination thanks to its ALTin coating for superior lubricity. With a 3-flute design for extended durability and recommended 900-1000 RPM speed, this single bit outperforms German DF-1690 imports and Blair 11308 cutters in longevity and fit, working seamlessly with Dent Fix DF-15DX, Blair drills, and Spotle tools. Proper RPM and safety gear ensure maximum life, making it the go-to refill for high-volume collision shops tackling modern vehicles.

Key Features & Compatibility:

• 8mm x 45mm tungsten carbide construction
• 3-flute design for longer durability
• ALTin coating – lubricity without contamination
• Cuts Boron/UHSS spot welds at 900-1000 RPM
• USA-made vs DF-1690 (German) & Blair 11308
• Fits DF-15DX, Blair, Spotle drills
• Qty 1 per pack – 100% fit guarantee

Compare our drill bit to the DF-1690, a German made bit, to Our Drill Bit, which is made in the USA.
Compare our Bit to Blair Boron Bit # 11308