Diablo DJT121BF5 3-5/8 Inch 12 TPI Bi-Metal T-Shank Jig Saw Blades for Thick Metal Stainless Steel and Structural Metal 5-Pack
SKU: 52412466620

Diablo DJT121BF5 3-5/8 Inch 12 TPI Bi-Metal T-Shank Jig Saw Blades for Thick Metal Stainless Steel and Structural Metal 5-Pack

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Description

Diablo DJT121BF5 3-5/8 Inch 12 TPI Bi-Metal T-Shank Jig Saw Blades for Thick Metal Stainless Steel and Structural Metal 5-PackIndustrial Grade Durability for High Performance Metal Cutting Applications The Diablo DJT121BF5 3 5 8 inch Bi Metal Jig Saw Blade is engineered for professionals who demand maximum durability and speed when cutting through thick metals ranging from 1 8 inch to 1 4 inch thickness. These high performance blades feature an ultra hardened cutting edge that delivers up to 5X longer life than standard blades, ensuring you spend less time changing tools and

Industrial-Grade Durability for High-Performance Metal Cutting Applications

The Diablo DJT121BF5 3-5/8 inch Bi-Metal Jig Saw Blade is engineered for professionals who demand maximum durability and speed when cutting through thick metals ranging from 1/8-inch to 1/4-inch thickness. These high-performance blades feature an ultra-hardened cutting edge that delivers up to 5X longer life than standard blades, ensuring you spend less time changing tools and more time completing the job. Whether you are working with structural steel, thick metal plate, or stainless steel, the bi-metal tooth design maintains a sharp, reliable edge even under the most demanding job site conditions.

Every design element of the DJT121BF5 is optimized for professional efficiency. The specialized back taper body design, combined with Diablo's signature Perma-SHIELD® non-stick coating, significantly reduces friction and heat buildup, resulting in fast, effortless, and remarkably clean cuts. For interior cutouts, the fast plunge tip design allows for easier and quicker entry into materials without pre-drilling. Equipped with a universal T-shank interface, these blades provide a secure fit for all professional combo and most U-shank cordless or corded jig saws, delivering maximum power transfer and stability.

Key Features

  • 5X Longer Life: Ultra-hardened cutting edge significantly outlasts standard bi-metal blades in thick metal applications.
  • Perma-SHIELD® Coating: Non-stick coating protects the blade from heat and friction for smoother, faster cuts.
  • Back Taper Design: Specialized body geometry facilitates fast, clean material removal with minimal vibration.
  • Fast Plunge Tip: Engineered for rapid and stable plunge cutting into metal surfaces without walking.
  • Universal T-Shank: Fits all professional-grade combo and most U-shank corded or cordless jig saws.
  • Matrix II Bi-Metal Teeth: Optimized for durability in metals ranging from 1/8" to 1/4" thick.

What's Included

  • (5) Diablo 3-5/8" 12 TPI Thick Metal Bi-Metal Jig Saw Blades (DJT121BF5)

Specifications

Brand Diablo Tools
Model Number DJT121BF5
Blade Length 3-5/8 Inches
Teeth Per Inch (TPI) 12 TPI
Shank Type T-Shank
Material Thickness Range 1/8" to 1/4"
Tooth Material Bi-Metal
Coating Perma-SHIELD® Non-Stick
Application Thick Metal, Stainless Steel
Blade Profile Back Taper / Plunge Tip
Pack Quantity 5

Pro-Tip: When cutting thick metal with 12 TPI blades, always maintain a steady, moderate speed and avoid using the orbital action setting on your jig saw. For the cleanest finish and maximum blade life, apply a small amount of cutting oil or wax to the cut line to reduce friction and help the Perma-SHIELD® coating dissipate heat more effectively.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 52412466620

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Tram
New York, US
★★★★★ 5
Excellent value for money!
Size: 934W-Z, Color: Black, Size: 934W-Z, Color: Black
I absolutely love this office chair! I needed a chair that could support my standing desk without sacrificing comfort, and this one completely exceeded my expectations. It's incredibly sturdy and durable, well-made, and the height adjustment is super convenient, making it easy to find the perfect fit. Even during long hours of work, the seat is comfortable, and the ergonomic design effectively reduces pressure on my back and legs. I love its clean, modern look—it fits my home office perfectly. Assembly was quick and easy, and for this price, the quality is absolutely fantastic!
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Reviewed in the United States on February 24, 2026
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Lisa Bjornstad
Omaha, US
★★★★★ 5
Perfect chair!
Size: 934-Z, Color: Blue, Size: 934-Z, Color: Blue
I have an adjustable-height desk (also purchased from Amazon) and needed a drafting chair for those times when my body gets tired of standing. This chair fits the bill and then some! I put it together myself; it took me about an hour, but would take me about half that next time, since now I know what to do (and what NOT to do!). All the parts were there; there are even spare parts (see photo). All the holes were drilled in exactly the right places, too, which isn't always the case when I buy things from Amazon (my standing desk is a great example). The chair fits me; I'm short (5'3.5"), and often the seats of furniture are too deep for me to rest my feet flat on the floor. The depth of the seat on this chair is just a little over 18 inches, and with the adjustable footrest ring, it's perfect. I don't think a tall or heavy person would fit in it, to be honest. But it's perfect for those of us who are vertically challenged. I love that it glides easily on my hardwood floors and that it turns 360 degrees. The chair comes in numerous luscious colors, so take your pick! It is very sturdy, has good lumbar support, and the seat and seat back are very comfortable. And the arms flip up, which was an absolute must when I was shopping for this chair. I got it on sale, too -- $109.00 -- and I'm delighted with this purchase.
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Reviewed in the United States on April 23, 2026
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PenLady
Lowell, US
★★★★★ 5
Excellent adjustable drafting chair
Size: 934-Z, Color: Blue
Excellent chair design, extremely comfortable and exceptionally easy instructions to follow making for simple assembly. Love the amply wide cushioned seat and ergonomic backrest. The height adjustment feature works perfectly as well as positioning of the foot ring . Having the ability to raise the arms is also a big plus! I highly recommend this product for attractive appearance, comfort features, functionality and operation. Really nice chair!
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Reviewed in the United States on April 13, 2026
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Sandra
Belleville, US
★★★★★ 4
Comfortable, stylish, and perfect for long work hours 💗✨
Size: 934-Z, Color: Pink
I bought this chair because I spend a lot of time working and needed something comfortable but also stylish, and I absolutely love it. Since I started using it, I feel much better support in my back thanks to the lumbar support. It makes a big difference, especially during long work hours. The adjustable footrest is also a feature I didn’t know I needed, but now I use it all the time. The flip-up armrests are very convenient because I can adjust them depending on what I’m doing or move them out of the way when needed. The pink color is beautiful and adds a soft, elegant touch to my workspace. It looks great in a modern home office. It feels sturdy, well-made, and very stable. Overall, it’s a great purchase that improved both my comfort and the look of my workspace.
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Reviewed in the United States on April 29, 2026
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Amazon Customer
Louisville, US
★★★★★ 5
All-around thumbs up!
Size: 934W-Z, Color: Black
So far, so awesome. Easy to assemble, comfortable, arrived quickly and is exactly what I was looking for. I have a tall work bench in my new studio so I needed a chair that we could allow me to sit higher than a regular office chair and allow me to get off my feet after standing on the concrete floor. Plus its a nice looking chair that I am sure will last a long time. I love the flip-up arms and the lumbar support. This is just right!
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Reviewed in the United States on May 8, 2026

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