DEWALT DW3755H 4-Inch 8 TPI Aluminum/Fiberglass Cut HCS T-Shank Jig Saw Blade (5-Pack)
$16.99
Price: $12.98 - $16.99
(as of Sep 24, 2025 15:59:11 UTC – Details)
The product is 5 Pack, 4″ 8T, Aluminum/Fiberglass Cut HCS T-Shank Jig Saw Blade, T-Shank High Performance Wood Cutting HCS. Easy to use. The product is manufactured in China.
The product is 5 Pack, 4″ 8T, Aluminum/Fiberglass Cut HCS T-Shank Jig Saw Blade, T-Shank High Performance Wood Cutting HCS
Easy to use
The product is manufactured in China
Customers say
Customers find these saw blades perform well, particularly noting they cut aluminum without clogging or overheating. They receive positive feedback for their quality and durability, with one customer mentioning they last significantly longer than other blades.
13 reviews for DEWALT DW3755H 4-Inch 8 TPI Aluminum/Fiberglass Cut HCS T-Shank Jig Saw Blade (5-Pack)
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$16.99

Jim H –
Great blades!
Worked well cutting holes in the fiberglass swim platform on my boat. Lasted significantly longer than other blades I’ve used in the past.
Van M. –
Cutting aluminum, these are what you need.
As other say it does cut 1/4″ aluminum plate well. Not something I want to do everyday but they do work and last.
Jeff Kotowski –
works ok, but clogs up with alu
It cuts through aluminum fine. But it does clog up pretty quickly. you can use a small puch to push out the alu clogs.
Jeremy –
Not the best for fiberglass
It works, but the teeth are too large for fiberglass expect chipping.
SK Wire –
Great bits for cutting aluminum plates.
I purchased these bits so hat i could cut some 1/4″ 6061 aluminum plates.WOW, they worked so much better than the standard “metal” bits that you can buy at your local big box. I highly suggest for both aluminum an fiberglass as they will save you time and additional bits for your project. Bits last longer than expected as well.
Crystal –
Perfect blades!
I had to cut my Mom’s fiberglass tub to make a step for her, and these blades worked perfectly! Definitely recommend!
George H. Hollidge –
DEWALT DW3755-5 4-Inch 8 TPI Aluminum/Fiberglass Cut Cobalt Steel T-Shank Jig Saw Blade (5-Pack)
Bought this as a replacement for Bosch T101BF blade for economic reasons. This blade was used to cut .125″ thick G10 fiberglass .It did not survive the first cut of 12″.This blade might work on plastic ,It appears to be made of an aluminum alloy. I put in a Bosch blade and finished the project. These Bosch blades will in my experience if you keep them cool will do a 100 feet or more of G 10
Steve –
Do the job well.
I had to cut some 1/8 aluminum and these blades did the job great… Just a hint, if you are like me and have a j-saw that has a setting for reciprocal, use it, the blades cut a lot better and make the job go a lot faster.
Tvange –
These are by far the best blades Iâve ever used highly recommended
Jorge –
Buen servicio y producto
Praxis –
I had tried a *normal* blade to cut some aluminum and it clogged up quickly. I bought these and they remained free and cutting. It was for a single project so I don’t have any longevity info. Recommended.
darrah –
Maybe a bad batch , the T connector shaped off on half them and it was like the metal was softer than the ones I had purchased in the past, the teeth wore off withing cutting a few inches and I’ve had these before without issues on cutting same materials. Dewalt usually has decent stuff.
Merritt 1 –
Cuts aluminum well but not so well with Fiberglass. The Fiberglass tends to melt the teeth.