COZERI 20PCS Metal Cobalt Drill Bit Set - 3mm, 4mm, 5mm Gold Twist Drill Bits for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum, Wood HSS Twist Cobalt Drill Bits Set Bosch-Compatible
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Product description
- 20PCS Set Comprises 10pcs 3mm drill bit, 5pcs 4mm, and 5pcs 5mm cobalt drill bits this cobalt drill bit set offers a well-rounded size assortment to handle various drilling tasks. Compatible with pillar drills, handheld electric drills, battery-powered drills, CNC machines, and even Bosch drill bit set setups.
- Cobalt HSS Crafted from high-speed steel with cobalt, these metal drill bits are heat-quenched for exceptional wear resistance and toughness ideal as steel drill bits for hard steel, tackling stainless steel, cast iron, and more.
- Easy to Use These cobalt drill bits require maintaining perpendicular alignment and cool operation for optimal performance. Controls heat and speed effectively, ensuring smooth drilling in various materials, from steel to wood.
- Multi-Material Use Perfect for hard soft metals (stainless steel, aluminum, copper) as reliable metal drill bits, plus plastic and wood an all-purpose cobalt drill bit set for professionals, DIYers, and home improvement enthusiasts.
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