5 Piece 4 Tooth Eccentric Drill Bit Set for Concrete Glass Cast Iron Tile Wood and Metal Heavy Duty High Strength Hex Shank Short Bits Reduced Vibration Dry Drilling 6 6 8 10 12 mm

Five-Piece 4-Flute Eccentric Drill Bits for Mixed Materials
✔️ 4-flute eccentric design with 1/4 in hex shank; 6-12 mm set

This five-piece eccentric drill bit set is built for heavy-duty, high-strength performance across concrete, glass, cast iron, tile, and wood. It’s optimized for clean, deep holes and reduced vibration in professional and DIY projects.

✅ Sizes: 6, 6, 8, 10, 12 mm with 1/4 in hex shank
✅ 4-flute eccentric design for faster chip removal and cooler operation
✅ High-strength alloy with serrated teeth for durability
✅ Hex shank prevents slipping; fits most drills and CNC tools
✅ Suitable for concrete, glass, tile, wood, and aluminum; not for stainless steel or cast iron

💡 What is a multi-material drill bit set with hex shank used for and why should you pick bits with eccentric design? These handy bits cover a wide range of everyday drilling tasks. - handy for clean holes through concrete, tile, glass, wood, and aluminum
- eccentric 4-flute design helps with faster chip ejection and less heat
- 1/4 in hex shank fits most drills and drivers for secure grip