ajlelectronics
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- 8,576
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- Gloucester, England
1/4" UNF. Many of them sheared or had the slot butchered trying to remove them. It appears that nothing similar is now available. I'm not going to retap to M6 so metric is out. I could use a suitable standard bolt and nylon sleeve it, but then the head is too small. Another option is to use any off the shelf 5/16" or M8 bolt and ask someone to turn the end down and put a 1/4" thread on it.