Hex Shank Cobalt Metric Drill Bit Set 15 PCS (1.5mm-8mm), Quick Change High Speed Steel Impact Driver Hex Drill bits for Metal, Steel, Wood, Plastic, Aluminum Alloy

Features

• 【Specification】13 cobalt hexagonal shank 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, 6.5 mm, with 1/4 hexagonal shank.
• 【Advantages】The hexagonal handle specially made for quick replacement of drill bits is an upgraded version. Compared with the ordinary hexagonal handle, it shows excellent performance, prevents the drill bit from peeling off the hexagonal handle, and effectively keeps the hexagonal handle locked during impact drilling. Cobalt drill bit is more durable than titanium drill bit.
• 【Complete grinding process and 135 ° points】 The fully ground spiral groove blowdown waste quickly reduces friction and heat, thus providing faster, cooler and more efficient drilling performance; 135 ° split point with straight handle can prevent slipping and make drilling stable and accurate. No center punch is required.
• 【Quick replacement】 1/4-inch (about 0.6cm) hexagonal handle base is suitable for most pistol drilling and drilling presses, which is easier and safer to install without slipping and falling off.
• 【Multi purpose】 It is suitable for small drills of wood, plastic, steel plate (≤ 5mm), aluminum alloy and other soft metals. Ideal for DIY projects, home maintenance and repair, not for glass, ceramics or concrete drilling.