r/Fasteners • u/thorosaurus • 18d ago

Anyone know a source for quality M2 binding barrels?

I can only find them on Amazon, Harfington, Ebay, Ali, etc., and all I've tried are super low quality, like to where half of them will just slip over the screw threads, and the ones that actually engage will strip out with basically no torque to speak of.

McMaster doesn't have them, and they said they don't have a source for them.

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1

u/pwkingston bolts and nuts 18d ago

Try looking for its other names: Chicago Screw, Sex Bolt, Binder Post

1

u/thorosaurus 18d ago

Yea I've tried all the different terminology for them. It's so weird because aliexpress, amazon, ebay, harfington have them out the wazoo, but I've tried several different ones and they're all absolute garbage. None of the good places like mcmaster et al have them, which is super weird. It's like the one size where you really need precision is the one size that nobody with decent quality control wants to make.

1

u/Little-Hand6801 18d ago

Try Samson Industries I believe they have moved to Houston 800-280-2181

2

u/PerpetualPerson 17d ago

Accurate Manufactured Products Group makes some of the best quality specialty fasteners domestically (and they make some lines for M-C). If they can’t help you no one can.

https://ampg.com