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Loctite or Draper? Much difference?

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old mart12/04/2021 20:09:10
2907 forum posts
184 photos

I have had no trouble using lesser known brands of threadlock and bearing fit. Just be sure you can assemble the joint quickly if using 638, the 620 gives you much more time

ega12/04/2021 23:10:11
2105 forum posts
175 photos

I have no experience of the Draper product but can report an unexpected result from using Loctite 638.

I wanted to fit a 16mm diameter component into a 0.750" hole and used as a basis for the necessary sleeve some 3/4" PGMS which fitted the hole nicely. A sleeve was duly turned up and Loctited into place but when tried for fit after curing the result would not enter the hole and my micrometer revealed the job was now 0.0005" oversize.

I assume that the adhesive swells on curing and that the thin walled sleeve was unable to contain this.

I would add that the Loctite was several years old, that I used an accelerator/ cleaner on the surfaces to be joined and left it on a warm radiator to cure.

I shall try to lap this to size.

pgrbff13/04/2021 07:14:46
197 forum posts
26 photos

The Draper was no longer available from Amazon, many marketplace sellers will not post out Of UK. After much online searching found Loctite from large online store for less than £20 including shipping.

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