CO-Z Large HSS Spiral Groove Step Drill Bit, 12 Sizes Titanium High Speed Steel 1/4" to 2-3/8" Drill Bit for Sheet Aluminium Metal Wood Hole Drilling, Big Multiple Hole Stepped Up Bit for DIY Lovers
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CO-Z Large HSS Spiral Groove Step Drill Bit, 12 Sizes Titanium High Speed Steel 1/4" to 2-3/8" Drill Bit for Sheet Aluminium Metal Wood Hole Drilling, Big Multiple Hole Stepped Up Bit for DIY Lovers

$29.99
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Features: Upgraded High Speed Steel: The step drill bit is made from upgraded high speed steel characterized by well-balanced toughness, wear resistance and red hardness properties for better and faster hole-drilling performance. The titanium coating makes the drill bit more durable so that it can last for years with uncompromised quality. BELOW HRC30: The drill bit is only suitable for steel plates with hardness below HRC30, drilling steel plates over HRC30 or heat-treated will damage the drill bit. Dual-Flute-design: The dual-flute design prevents metal fillings from flying around and clears chips faster thus it can drill more smoothly without heating up. Rapid Strike Tip Drills: The rapid strike tip drills twice as fast as the average step drills and can drill acrylic, PVC, wood, aluminum and iron sheets up to 0.2’’ in thickness. Bigger Size: Our drill bit is bigger in size so it can drill holes with larger dimensions. 12 Hole Sizes: We can adapt to many size: 1/4; 3/8; 19/32; 3/4

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