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The Terminator
How-To
HOW TO: Remove Broken Bolts or Broken Taps
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<blockquote data-quote="SnakeBit" data-source="post: 15007548" data-attributes="member: 2522"><p>I agree on heating the bolt. But if you do break a bolt, take an old or broken tap and chuck it in a cordless drill. Sharpen the tap on the side of a grinder wheel with the drill spinning against the rotation of the grinding wheel. Be sure to quench it in a bucket of water frequently to prevent overheating the tap (and losing it's temper). Since it is hardened, it will grab the end of the bolt, and you can tap it with a hammer to walk the bolt back out. I also heat the bolt up first, then walk it out. Have done it plenty of times at work. I have several sized taps which I have sharpened. Works really well if the break is not flat (usually the case). The uneven end makes it very hard to drill the bolt. Believe me, heat helps. Every toolbox should have a pencil torch for those occasions.</p><p></p><p>BTW, a sharpened tap also makes a great scribe for marking a line on metal parts.</p></blockquote><p></p>
[QUOTE="SnakeBit, post: 15007548, member: 2522"] I agree on heating the bolt. But if you do break a bolt, take an old or broken tap and chuck it in a cordless drill. Sharpen the tap on the side of a grinder wheel with the drill spinning against the rotation of the grinding wheel. Be sure to quench it in a bucket of water frequently to prevent overheating the tap (and losing it's temper). Since it is hardened, it will grab the end of the bolt, and you can tap it with a hammer to walk the bolt back out. I also heat the bolt up first, then walk it out. Have done it plenty of times at work. I have several sized taps which I have sharpened. Works really well if the break is not flat (usually the case). The uneven end makes it very hard to drill the bolt. Believe me, heat helps. Every toolbox should have a pencil torch for those occasions. BTW, a sharpened tap also makes a great scribe for marking a line on metal parts. [/QUOTE]
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How-To
HOW TO: Remove Broken Bolts or Broken Taps
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