We’ve all had this happen at some point while tightening hardware: It feels like it’s snugging up nicely, and then it suddenly seems to tun too easily. Or maybe you were removing stubborn hardware and ...

Thread repair kids allow damaged threads in a hole to be removed and replaced with new threads of the same size. They may also be used to provide strong threads in soft materials such as aluminum. A ...

Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...

A bloody hand streaks through the air, discharging the offending 1/2-inch-drive ratchet into an excursion through the garage wall. The only thing more piercing than the pain is the howl of agony that ...

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When a bolt or screw breaks off it leaves the hot rodder feeling befuddled and without hope. But take heart—Summit Racing Equipment, Harbor Freight, and Dave Akard of Burbank Speed are here to help ...

Few things disturb us more than the bewilderment of a broken bolt or seized pipe plug in a casting. You’re at a loss for how to get the darned thing out. This is when you have to slow down and come up ...

Thread chasers and thread restorers are used to form or cut screw threads. Threading tools and attachments are used with the taps that are used to cut the female thread. There are many types of ...

Learn how damaged bolt-hole threads on a bulldozer transmission cover are repaired using Keysert key-locking inserts. The ...

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