Lapping compound, where do you get yours?

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Forum topic by Wayne posted 1071 days ago 3042 views 0 times favorited 7 replies Add to Favorites Watch
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196 posts in 1229 days

1071 days ago

Topic tags/keywords: question

I haven’t been able to locate any lapping compound locally, so the question(s) are…Where do you guys buy yours? either online, or maybe Im looking in the wrong places (auto parts/hardware stores)? Ive been using sandpaper, so anything I should stay away from with compounds? Im looking for a fairly aggressive grit, 80-100 ish.
Thanks again,

7 replies so far

View tirebob's profile


123 posts in 1490 days

#1 posted 1071 days ago

View Sawkerf's profile


1730 posts in 1704 days

#2 posted 1071 days ago

Ask a local machine, or tool and die shop. They should be able to tell you where they get theirs.

-- Adversity doesn't build reveals it.

View Tedstor's profile


1369 posts in 1269 days

#3 posted 1071 days ago

I use valve grinding compound from the auto parts store.

View Arminius's profile


304 posts in 2439 days

#4 posted 1071 days ago

I get mine from Lee Valley, unless I have a large order with other items, in which case I have bought from McMaster Carr.

View Wayne's profile


196 posts in 1229 days

#5 posted 1071 days ago

i do need to find a shop capable of cast iron welding, so while Im there….
Thanks for the advice guys.

lee valley seems to be the most reasonably priced online. Unfortunatly Ive tried the local auto parts places, all i got were funny looks. Ill try phrasing it “valve grinding compound” tomorrow.

View Fuzzy's profile


291 posts in 2624 days

#6 posted 1071 days ago

WAL-MART and/or ACE … pumice .. rottenstone .. toothpaste .. car polishing compound .. COMET cleanser .. etc

Anything with grit can be used, depending on how fine/coarse you need and how long it will last.

-- - dabbling in sarcasm is foolish … if you’re not proficient at it, you end up looking stupid … ... ...

View WayneC's profile


12266 posts in 2733 days

#7 posted 1071 days ago

Lee Valley as well. Let us know how the price compares…

-- We must guard our enthusiasm as we would our life - James Krenov

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