Thunderbolt Black Oxide Drill Bit Set, 15 Piece, Heavy Duty Bits For Metal Wood And Plastic, Parabolic Flute For Fast Chip Clearance And Cooler Operation, Thick Core For Extreme Durability, Easy To Use For DIY And Pros

Black Oxide Drill Bit Set 15-Piece for Metal, Wood & Plastic
✔️ parabolic flute for fast chip clearance and cooler operation

This 15-piece black oxide drill bit set is designed to drill metal, wood, and plastic. It features a thick core for durability and a parabolic flute for fast chip clearance and cooler operation, making it a solid choice for both DIY and professional use.

✅ 15-piece set with heavy-duty construction for metal, wood and plastic
✅ Parabolic flute design clears chips quickly and keeps bit cool
✅ 135 split point starts on contact to prevent walking
✅ 3-flat secure grip shank reduces slipping in chuck
✅ Thick core for extreme durability and high side-load resistance

💡 What is a heavy duty drill bit set with parabolic flute used for?

It’s handy for fast, clean holes in metal, wood, and plastic with less effort and less heat buildup.

- It’s handy for DIY and pro use - Parabolic flute clears chips fast and keeps bits cooler - Thick core boosts durability under side loads - 135 split point reduces walking on contact