11/ . THUNDERBOLT Black Oxide Drill Bit ✓ Dust Extraction Port for Cleaner Work ✓ Includes Hole Saw Attachment ► Secure Your Tool Set Here
• Extreme durability: thicker web provides greater strength and longer life • Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fast • Reduced slipping: 3-flat SECURE-GRIP shank holds the bit firmly in the drill chuck • Versatile: reduced shank diameter for utilize in 3/8 in. chucks • Corrosion resistant: black oxide coating provides lubricity and resists corrosion of the bit
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