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$10 hard fill burn-in knife

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Forum topic by Rich posted 05-19-2017 06:30 AM 550 views 0 times favorited 8 replies Add to Favorites Watch
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Rich

1551 posts in 345 days


05-19-2017 06:30 AM

Topic tags/keywords: tip

After waffling over spending $60 to $180 for a burn in knife, I happened to be at Harbor Freight and picked up this wood burning tool.

It had a tip designed to hold an X-Acto blade, which was perfect for the 0.015” feeler gauge material I already had.

It performs well, especially for the price.

I’ll probably get a dedicated tool down the road, but this is doing just fine for now.

-- No matter how much you push the envelope, it'll still be stationery.


8 replies so far

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papadan

3570 posts in 3124 days


#1 posted 05-19-2017 07:13 AM

Rich, what is a burn in tool for?

-- Artificial intelligence is no match for natural stupidity!

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Rich

1551 posts in 345 days


#2 posted 05-19-2017 01:32 PM

I’ve been working with some of the hard fill products from Mohawk Finishing to see how well they might work to deal with the dings, tear outs and imperfect joints that happen occasionally. They are used on finished wood rather than doing a fill before finishing. There are dozens of colors that can be blended for perfect matches.

I’ve seen videos of touch up professionals where the repair is not detectable, but I’m not a pro, so this is purely something I’m evaluating to see if I think I can develop the skills to do it myself. That’s why I don’t care to spend a ton of money on a knife right now, since it might not be a long term thing.

There are lots of videos on their site if you are interested in seeing what it’s all about.

-- No matter how much you push the envelope, it'll still be stationery.

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shipwright

7683 posts in 2553 days


#3 posted 05-19-2017 02:25 PM

Shellac sticks are certainly worth looking into. I use these.

https://www.toolsforworkingwood.com/store/item/LB-0260.XX

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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tyvekboy

1664 posts in 2768 days


#4 posted 05-19-2017 03:54 PM

Thanks for bring that to our attention. That would make a great tool to cut nylon (seat belt material) straps. It would seal & cut all in one operation. I’m going to have to look for that the next time I go to HF.

-- Tyvekboy -- Marietta, GA ………….. one can never be too organized

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Rich

1551 posts in 345 days


#5 posted 05-19-2017 04:06 PM

I love that store, Paul. Right now I’m looking to develop techniques, not so much to do perfect color match. I think if I can become confident with getting a good, clean fill the color will be pretty easy to pull off. Mohawk has a full line of fill products to suit various situations. I’ve ordered a couple of each to evaluate their characteristics, and see how they perform.

One question for you — do you have any recommendations for a burn-in knife if I decide to upgrade? I like the idea of the butane ones that Mohawk offers, but I’m concerned since I’ve had butane torches that just up and quit, and I sure don’t want to be replacing something that expensive. A corded knife will last longer than I will. Actually, if my little cheapo unit does the job, I might stick with it. It’s hard to understand why an electric burn-in knife is so expensive. It’s not like they have electronic temperature controls or anything.

-- No matter how much you push the envelope, it'll still be stationery.

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shipwright

7683 posts in 2553 days


#6 posted 05-20-2017 12:34 AM

So far I’ve just heated a palette knife on my hotplate and it seems to work fine. It just requires a little practice to get the proper temperature. I like your idea. I have that tool in Az but at the moment I’m at home in Canada.
http://www.leevalley.com/en/wood/page.aspx?p=60274&cat=1,43298

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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papadan

3570 posts in 3124 days


#7 posted 05-20-2017 12:39 AM

Yo Rich, Just got home from HF. Picked up one of these hot knives. New toy to play with. $7 and change with a 20% coupon. LOL

-- Artificial intelligence is no match for natural stupidity!

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Rich

1551 posts in 345 days


#8 posted 05-20-2017 01:29 AM

Just a note — I shortened the feeler gauge blade by about 1/4” because it cooled off too quickly touching the stick. It’s performing much better now. I measured the thickness of the X-Acto blade that was part of the kit, and it was about 0.020, so a feeler gauge that thick should stick tighter in the tip, and have a better heat capacity. I’ll grab one the next time I’m at the auto parts store.

Paul, I have a Wagner heat gun that can be used hands-free to heat my palette knives (which I haven’t tried yet). I’ll give that a go soon. My sticks from Mohawk are back-ordered due to a couple of glazing pens I want to try on my garage door panels that were part of the order. Hopefully by next week. I’m also going to order some of the Liberon sticks you linked to. Their products are high quality and the sticks should be no different. Besides, I have the recommendation of a master. When getting in to stuff like this, I like to try different things and see what works and where.

Papadan, smart shopper!

-- No matter how much you push the envelope, it'll still be stationery.

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