• 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
• Corrosion resistant: Black oxide coating provides lubricity and resists corrosion of the bit
• Set includes:
• (1) 1/16" – 9/64” Thunderbolt Black Oxide Drill Bits
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