Due to the friction and torque, it can lose the broken or stud nut efficiently. Left-hand drill bits rotate anticlockwise and drill inside the material. But fixed power tool is highly recommended for the task due to the higher torque generation. You can use an electric drill, impact driver, or lathe for this. Because fasteners, screws, bolts, and studs are loosened to the left side. Generally, left-hand drill bits rotate anticlockwise. Which Way Does a Left-Hand Drill Bit Rotate? You should use lubricants, use a center punch to mark the drilling point, and use the rotational side of the drill or driver. When you use left-hand drill bit, you should follow the regular steps when drilling a hole. Left-hand drill bit can be operated using an electric drill, lathe machine, press drill impact drivers, etc. Probably, you can see the broken bolt or screw will loose easily. For a better result, you can push and pull the rotating drill bit step by step. When you use a lefthand drill bit on the broken bolt or screw, it will easily remove if that is not rusted or clogged inside the hole by changing the shape. Else it can damage the bolt thread while it is drilling. The drill bit size should be less than the bolt size. Left-hand drill bits are used to drill on broken fasteners, screws, bolts, and studs during home repairs, automotive garage projects, professional work, and more. Read More About – What is Counter Sink Drill Bit? Where to Use Left-Hand Drill Bits? Those have anticlockwise spiral flute designs. Left-hand drill bit and screw extractors are used to remove broken or stud nuts. Left-hand drill bits are made with stronger materials and coated with higher resistance materials in order to have more strength during their operation. It is used mostly in removing studs or broken bolts and screws. We do not use left-hand drill bits regularly. That is the opposite direction of the regular drill bit. Left-hand drill bits are operated anticlockwise. Due to the left side structure, this is widely used to remove broken bolts and screws. The left-hand drill bit is named as the reverse drill bit also. It has a left-side rotated flute and cutting edge.
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