![Is the blue mark on the nut a kind of glue or something? pcbs were assembled in 1968 if that helps. : r/diyelectronics Is the blue mark on the nut a kind of glue or something? pcbs were assembled in 1968 if that helps. : r/diyelectronics](https://i.redd.it/ebvvftt0szb91.jpg)
Is the blue mark on the nut a kind of glue or something? pcbs were assembled in 1968 if that helps. : r/diyelectronics
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Screw Glue 242 Anaerobic Adhesive Glue Thread Seal Lock Glue Screw High-strength Anti-loosening Metal Thread Sealant For Locking And Sealing Of Common M6 And M20 Threads10ml : Amazon.co.uk: DIY & Tools
![Bargainstore Thread Lock Sealant Bond Metal Nut Lock Bolt Screw Glue Sealant 10ml Lockthread Adhesive : Amazon.co.uk: DIY & Tools Bargainstore Thread Lock Sealant Bond Metal Nut Lock Bolt Screw Glue Sealant 10ml Lockthread Adhesive : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/51fO0dE9yXL.jpg)
Bargainstore Thread Lock Sealant Bond Metal Nut Lock Bolt Screw Glue Sealant 10ml Lockthread Adhesive : Amazon.co.uk: DIY & Tools
![Industries Screw Glue Fast Fix 243 Glue Nut Compound Anti-loosening Locking Adhesive Sealant – the best products in the Joom Geek online store Industries Screw Glue Fast Fix 243 Glue Nut Compound Anti-loosening Locking Adhesive Sealant – the best products in the Joom Geek online store](https://img.joomcdn.net/e39d2d3518309c22d0bc81f1b1c155b6e74b0a6c_original.jpeg)
Industries Screw Glue Fast Fix 243 Glue Nut Compound Anti-loosening Locking Adhesive Sealant – the best products in the Joom Geek online store
![Hey this came off when I took my strings off, can I just use gorilla glue to put it back in place? : r/guitars Hey this came off when I took my strings off, can I just use gorilla glue to put it back in place? : r/guitars](https://preview.redd.it/qzp8kw9g56d71.jpg?width=640&crop=smart&auto=webp&s=f4abc6e7b7a8a80eacc021934a0d323338e2afd0)