![]() Step 5: Remove metal shavingsĪfter successfully removing a broken bolt using your left-handed drill bit, the next step should be to remove any metal shavings. When this happens, you might want to try out other extraction methods. However, in some cases, the left-handed drill bit may fail to loosen the bolt. The pliers should bite the bolt to remove it from the hole. So, using vise grip pliers, try to extract the bolt. Reverse-drilling a pilot hole is meant to loosen the bolt or faster enough to let you remove it. After that, hold the drill bit securely on the punch mark you made and slowly drill a hole in the fastener. And for the best results, make sure to use as slow a speed as possible, preferably 20 RPM. Next up, put the drill bit into the chuck and set it on reverse. So, selecting the right size bit for the job is critical. This is because these bits are available in various sizes. Step 3: Slowly drill a pilot holeīefore creating a pilot hole, you should choose the proper-sized reverse drill bit. This is because if the threads are damaged, the removal of the bolt may be impossible. However, you should ensure the pilot hole is precise to avoid damaging the threads of the broken fastener during extraction. This will ensure you have a starting point for drilling a pilot hole. Next, place the center punch in the middle of the broken fastener and hit it with a hammer. Step 2: Center punch the middle of the fastener So, if it’s not already flat, we recommend you file or grind it until it is completely flat. To begin with, the bolt or fastener should be as flat as possible before using the left-hand drill. So, how do you use the lefthanded drill bit to extract the broken portion of the fastener? Here are the steps on how to use left hand drill bits. Of course, the drill must run in reverse when using a left-hand bit. Therefore, the torque applied by a left-handed drill bit helps loosen the broken screw.Īpparently, this method gives you a 50% chance of removing the stuck bolt without the use of other extractors. You see, right-handed fasteners are usually loosened by turning to the left. The most common use of left-handed bits is the removal of broken fasteners or bolts. How to Use Left-Handed Drill Bits – Step-by-Step Guide The good news is that some boast flatted shanks to minimize twisting in the drill chuck. However, the most common form of left-handed bit is the general-use twist bits. On the flip side, though, their limited use can make them hard to find.Īdditionally, left-hand drill bits are available in various types. This means you can use it in reverse, unlike typical twist drill bits.īut you know what the best part is? Similar to other bits, left-handed bits come in many different sizes and lengths to choose from. They have flutes that are built to twist in a counter-clockwise direction. Step 2: Center punch the middle of the fastenerĪ left-handed drill bit is simply the reverse to a normal drill bit.How to Use Left-Handed Drill Bits – Step-by-Step Guide.To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. ![]() If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. ![]()
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