High-quality carbide tungsten steel, curved design for optimised chip removal High quality carbide tungsten steel, special heat treatment technology, sharp edge, high hardness and durability. The arc design of the knife head improves opening speed, easy removal of chips and less dust and dirt when cutting. The perforation is clean, smooth and without edge breakage.
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Three-tooth cutting head with low cutting resistance The three-tooth design of the knife head has high sharpness, low cutting resistance and improved opening efficiency. The sharp centre spur locates exactly the centre of your hole.
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Robust blade, universal shaft The hex shank is made of solid hardened steel with high hardness. Can be used in hand drills and drills.
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