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【 Specifications 】 13 cobalt hexagonal shank drill bits, including 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0, 6.5mm, with 1/4 hexagonal shank.

The hexagonal handle specially designed for quick replacement of drill bits is an upgraded version. Compared with ordinary hexagonal handles, it exhibits excellent performance, preventing the drill bit from falling off the hexagonal handle and effectively maintaining the locking of the hexagonal handle during the impact drilling process. Cobalt drill bits are more durable than titanium drill bits.

Complete grinding process and 135 ° points: The fully ground spiral groove quickly reduces friction and heat, providing faster, cooler, and more efficient drilling performance; The 135 ° dividing point is equipped with a straight handle, which can prevent sliding and ensure stable and accurate drilling. No center punch required.

Quick Replacement: The 1/4 inch (approximately 0.6 cm) hexagonal handle base is suitable for most pistol drilling machines and drilling machines, making it more convenient and safe, without slipping or falling off.

【 Multi purpose 】 Suitable for drilling small holes in wood, plastic, steel plates (≤ 5mm), aluminum alloys, and other soft metals. Very suitable for DIY projects, home maintenance and repair, not suitable for drilling in glass, ceramics or concrete.