Snap On vs Matco hex bit sockets?

[T45]

Stiffer is better in that it's desirable to have less (elastic) twist for a given torque? All else equal, a longer bit will fail at the same torque as a shorter bit, it will just deflect more before failing. Seems like extra deflection is a reasonable trade-off for longer reach in some applications.

I think we are saying the same thing. Short bits have less "wind-up" and more direct transmission of forces. This makes is easier to break bolts free, or at least to do the job without the extra flex in the tool.

That doesn't mean you would never have long bits in the box, but in general I would say the short bits are my go-to and other variants are for obstructions.

There is a time/place if you have really good bits also to use the twist/wind up to your advantage. A very consistent spring action will perform the same affect as a bending-beal torque wrench--ie, it will give you a good indication of resistance forces on the bolt--and this can help you apply the correct pressure/force based on experience.

I've tested a couple hex keys vs a dial indicator toqrue wrench and some of them are pretty good indicators

 

[Spacey_G]

@T45 - Agreed on all points. The wind-up is especially noticeable with long-shank t-handles. In fact, the theory says it's directly proportional to length.

That's a clever idea to use the deflection to gauge torque. Come to think of it, my car came with a tool for the roof rack that has a plastic piece that touches the end of the wrench at the right torque.

 

[Tenex]

Check out bondhus, they don't use stepped bits so in an emergency a clipped L wrench can fit. Good strong tools, their bits are also impact rated and can be put into an impact socket is need be.

The Bondhus bits are impact rated but the sockets they are pressed into are not.