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Looking for oddly sized barrel bolts (lemmy.ca)

submitted 1 year ago by [email protected] to c/[email protected]

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I'm trying to find replacement barrel bolts to hold the scales on a fixed blade knife.

The dimensions, as best I can measure, are:

Barrel Section: 6mm diameter and 8mm long Screw Thread: 4mm diameter and 6mm long Heads: 8mm diameter and 3mm thick with 2.5mm hex sockets

I have done a fair amount of web searching and I have looked at several of the large online tool and fastener companies. Almost everything I can find has a much thinner barrel and wider head.

Can anyone suggest where I should look for these?

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[–] [email protected] 2 points 1 year ago (1 children)

May be a dumb question, but since you're measuring in metric, have you checked to see if they are possibly imperial?

If you haven't already may be worth reaching out to the manufacturer, they may be able to provide you new hardware or at least confirm the specs or point you in the right direction to find replacements.

Failing that, like someone else said, you could try getting a machine shop to make them for you, or if you can track down a local hobbyist machinist that could be another option.

Failing that, you could of course try to modify the knife a bit to work with whatever hardware you can actually get your hands on, enlarging a hole a little or some strategically placed washers can sometimes go a long way.

[–] [email protected] 2 points 1 year ago

If it's a dumb question, I asked it too. :-}

I checked to see whether the measurements lined up with any common fractions in Imperial measurements. Some worked pretty well, but others really didn't. I did look for versions that matched the Imperial specs, but couldn't find any of those either.

I will write to the manufacturer. Even specs would help, and they may well be able to get me spare parts. Thank you!

If I can't find anything, my plan is to cut off the barrels on the bolts I have to match the thinner grip. A Dremel should do the job well enough for my purposes.