150pcs Spiral Drill Bit Mini Twist Drill Bits Kit Hole Opener Set Hole Puncher Hardware Accessory High Speed Steel with Storge Box 0.4-3.2mm

Widely applied: these twist drill bits are perfect for most drilling jobs and materials such as aluminum wood plastics, this drill bit can be very suitable for precision crafts, jewelry and clock repair. 【MEET VARIOUS NEEDS】There are a total of 150 pieces of drill bits in different sizes ranging from 0.4mm to 3.2mm that you can use to tap various threads. 【UNIQUE DRILL DESIGN】 Premium twist drills will make drilling easier and more effortless and these drill bits are perfect for most drilling jobs and materials such as aluminum, wood and plastics. AND ADAMANT】 Using high-speed steel HSS a drill tool is not easy to corrode, which can be convenient and built under strict quality control standards, twist drill bits are upgraded for durability. 【Smooth removal】 Compound auger are drill bits with drilling function, used to drill a hole and cut new threads at the same time, you will have a smooth tapping experience with them