Typically, we’ll throw a simple helical spring lock washer on a stud or bolt, torque down the nut nice and snug, and call it a day, feeling like we’ve made a secure joint. But nothing could ...

But that doesn’t mean they can’t be used to have a little fun, as demonstrated by [Oleg Pevtsov] who made a bidirectional bolt as a machining exercise just because he could. Both videos after ...

Due to the size of the wrench and the limited range of motion of the head, some users may find it difficult to use in tight spaces or when tightening a bolt that requires minimal movement.