Crafters Basic 4-Inch Hot Knife KitPlunge, slice, and dice foam like magic!Free Shipping in the USA Only!International orders will be charged shipping after checkout!The foam cutting tool the world has been asking for! A combo hand held scroll saw and power drill that cuts foam with fast, clean, surgical precision. The 4-Inch blade is made from thin, tough steel with a unique round shape that slices quickly and cleanly in any direction like magic. Will ship First Class Mail with a tracking number. Made and supported in the USA. Covered by 90 day factory warranty. If it stops working due to a defect, we will repair or replace it at no charge. If the blade has been physically broken, we will replace the 4-Inch blade for $15 plus return shipping. Cutting dense foams? Bigger projects? For a comparison of Hot Knives, click here To see foam projects made using this tool, Click Here. Includes:
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To see foam projects made using this tool, Click Here.
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I purchased it to cut 1.7 lb PE foam for storage cases. After receiving it, I cut approx. 50 linear inches of 2
Polyethylene, PE, is a tough dense foam. Our Industrial Hot Knife cuts many times faster but the cut is not very clean. It has a flat blade that doesn't corner very well. The blades are thicker, so they have to push through more material, so they have to get proportionally hotter. Unless you are doing this commercially, and don't need a clean cut, you are probably better off having us replace your 4-Inch Knife with our 3-Inch Hot Knife, which cuts 1.5x faster than the 4-Inch, and is sturdier.
A trick I learned is to lean the knife at an angle on the straightaways, so nearly the whole blade is embedded in the foam. This way no heat will be wasted, and the angle helps prevent the blade from bending. The other method is to use a sawing motion, so the blade can regenerate more heat before it recontacts the foam.
https://gallery.hotwirefoamfactory.com/wp-content/uploads/2023/09/CraftManualAll-2019.pdf
Crafters Tools Instruction Manual
Product Rating
Customer Reviews
Very happy with my purchase. Information about mailing was very informative and delivery was fast. I'm enjoying my tool very much. The hot knife is very easy to use, allowing me to make quite few crafts for my Dickens Village.
John Brenneman, 03-11-2019
Works Great. Already completed cutting foam in 2 cases that I carry my handguns.
Steven Wesolowski , 12-20-2021
Great little tool. Had a malfunction with the original one that was sent and notified the company. They responded quickly to my concern and sent a replacement free of charge. Very pleased with their customer service.
Matt, 03-25-2023
This hot knife will cut XPS foam, but I probably selected the wrong tool for my application, and may have been better off with the shorter version. At the start of my project, I wasn't sure the maximum cut depth I would need. While cutting 1" or 2" deep, I found this knife to cut quite slowly, and this made it difficult to make freehand cuts accurately. I had the best results when following a metal guide for the rectangular cut. One trick I found was to loop the power cable behind my neck, this kept the power wires away from the blade. Some pictures of my project: https://imgur.com/a/oaXk0iZ
