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PREMIUM MATERIAL: 6542 HSS Carbide with a reinforced head that prevents bit cracking; Twist drill bit set made of hard and durable alloy, provides longer life.
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UNIQUE DESIGN: U type slot design with fast drilling dust remove, antiskid triangle handle allows the drill bit to be held tightly and stable in power drill.
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WIDE USAGE: Spear pointed design strong tungsten carbide tip can easily penetrate various material like tile, concrete, brick, glass, plastic, and wood, etc, and reduces breakout.
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DRILL BIT SET WITH 7 DIFFERENT SIZES: 3mm, 4mm, 5mm, 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2").
