The Irwin Blue Groove 4X Drill Bits are ideal for drilling wood and offer 4x faster drilling penetration than a standard flat bit. Their Tri-Flute design allows for faster chip ejection and their full screw tips ensure ease of use and pull through. The cutting spurs produce clean holes with minimal breakout and the tapered flute reduces binding. The drill bits are also heat treated for extra durability.
Sizes: 6, 8, 10, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 28, 32, 35 and 38mm.
About Irwin:
For over a century, innovation has been the hallmark of IRWIN Industrial Tools. Their impressive track record of new product development and innovative solutions comes from their passion for understanding the needs of their primary users – the professional tradesman! That is why IRWIN is a leader in producing hand tools and why their products are used all over the world.





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