Cobalt Metric Drill bits Set 1mm-10mm/19PCS for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic

Cobalt Metric Drill bits Set 1mm-10mm/19PCS for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic

【Cobalt drill bits Widely applicable】Cobalt drill bits for by are suitable for stainless steel, carbon, steel, cast iron, engineering steel, hard metals, copper, aluminum soft metals wood suitable for home handicraft scenes and professional work 【Rare element cobalt】Metal drill bits with 5% cobalt element improve hardness, high temperature resistance, durability and performance better than conventional drill bits Note that it does not apply with glass and ceramics 【Good Performance】135% Spiral Double Edge Cutting Sharp Corners Do Not Linger on the Surface, but Advance in a Predetermined Direction 【Metric drill bits set】1.0mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm drill bits A total of 19 round straight steel drill bits with different diameters Small sizes require attention to speed and temperature 【Sturdy Metal Storage Box】A storage box with size identification, made of metal that is sturdy and easy to carry, select and store Cobalt drill bit set. Ranging from 1mm to 10mm, these high-speed steel bits feature cobalt construction for superior heat resistance and durability when working with tough materials. The set includes bits in essential sizes: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, and 10mm. Each bit is engineered with a precision-ground cutting edge for clean, accurate holes and reduced wandering during initial contact. The bits come organized in a sturdy blue storage stand with clearly marked size indicators for quick selection. The split-point design helps prevent walking and ensures smooth starts without the need for center-punching. Perfect for drilling into steel, stainless steel, cast iron, and other hard metals. The hexagonal shanks provide superior grip in drill chucks, preventing slippage during use. The organized storage solution keeps your bits protected and readily accessible for your next project.