SKU: 33980976560

Bosch HBT338 3-3/8 Inch Bi-Metal Hole Saw M42 Cobalt Alloy 1-3/4 Inch Deep Cut for Wood Metal and Plastic

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Description

Bosch HBT338 3-3/8 Inch Bi-Metal Hole Saw M42 Cobalt Alloy 1-3/4 Inch Deep Cut for Wood Metal and PlasticEXPERIENCE SUPERIOR LIFE AND SPEED WITH M42 COBALT ALLOY Elevate your drilling performance with the Bosch HBT338 3 3 8 Inch Bi Metal Hole Saw, engineered for professionals who demand durability and versatility. Crafted from an enhanced M42 alloy containing 8% cobalt, this hole saw is built to withstand high temperature applications, delivering up to 20% longer life than standard bi metal saws. Whether you are cutting through tough metal, wood,

EXPERIENCE SUPERIOR LIFE AND SPEED WITH M42 COBALT ALLOY

Elevate your drilling performance with the Bosch HBT338 3-3/8 Inch Bi-Metal Hole Saw, engineered for professionals who demand durability and versatility. Crafted from an enhanced M42 alloy containing 8% cobalt, this hole saw is built to withstand high-temperature applications, delivering up to 20% longer life than standard bi-metal saws. Whether you are cutting through tough metal, wood, drywall, or plastic, the reinforced shoulder design provides added strength to handle deep cuts with precision and stability.

Efficiency is at the core of the HBT338 design. It features a unique "Triangle Slot" architecture that significantly improves plug removal and reduces heat buildup during operation. Combined with Bosch's innovative Progressor tooth design—which utilizes alternating tooth sizes—this accessory cuts faster and stays sharper longer across multiple materials. With a generous 1-3/4 inch cutting depth, this tool is the ideal solution for clean, deep boring in complex construction and renovation projects.

Key Features

  • Enhanced M42 Alloy: Contains 8% cobalt to resist high heat and deliver 20% longer service life.
  • Progressor Tooth Design: Alternating tooth sizes ensure faster cutting and superior performance in wood, metal, and plastic.
  • Triangle Slot Design: Specialized "shark tooth" side slots allow for rapid, easy plug removal and better heat dissipation.
  • Deep Cut Capacity: Features a 1-3/4 inch cutting depth to handle thicker materials and multi-layer applications.
  • Reinforced Shoulders: Structural reinforcement adds strength to the saw cup for heavy-duty use.
  • Multi-Material Versatility: Optimized for clean cuts in drywall, metal, plastic, and wood.

What's Included

(1) 3-3/8 Inch Bi-Metal Hole Saw (Arbor and Pilot Bit Sold Separately)

Specifications

Manufacturer Bosch
Model Number HBT338
Saw Diameter 3-3/8 in.
Max Cutting Depth 1-3/4 in.
Body Material Bi-Metal M42 (8% Cobalt)
Arbor Included No (Sold Separately)
Application Drywall, Metal, Plastic, Wood
Tooth Design Progressor (Alternating Pitch)
Weight 0.74 lbs
Product Type Hole Saw Cup

Pro-Tip: The "Triangle Slots" on the side of the cup are not just for cooling; they are designed for leverage. If a wood plug gets stuck inside the cup after drilling, insert a flathead screwdriver into the wide part of the triangle slot and twist to easily pop the plug out without damaging the teeth.

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: 33980976560

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4.7 ★★★★★
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cody
New York, US
★★★★★ 5
Great for bookshelves!
Size: 9.25 INCH
Heavy duty and super sturdy. The brackets feel solid and well made, and once installed they hold shelves very securely. Great quality and exactly what I was looking for for an industrial-style shelf setup.
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Reviewed in the United States on January 24, 2026
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 5
Great feel and quality, will buy again
Size: 5.5 INCH
These are gorgeous! The thick, heavy look and feel that I was hoping for, great screws to match (we used different anchors, since the provided anchors are not the strongest style). Similar ones at the local big-name hardware store are at least three times the price and are no better quality. I would (and will) definitely buy these again for more projects. Originally bought the six of these even though I only needed two because the price was still the best I could find, and ended up using all six almost immediately. They look so good, I found more projects for them!
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Reviewed in the United States on March 28, 2025
A
Verified Purchase
Anderson
Lexington, US
★★★★★ 4
Nice looking. A bit too much flexibility. Did the job.
Size: 11.25 INCH, Size: 11.25 INCH
We made use of these shelving brackets in our kitchen remodel. They turned out great. We used 2x12 Douglas Fur boards that were sanded and painted to show contrast with the brackets. The brackets installed easy enough with a level, tape measure, pencil, and a drill for pilot holes. Other reviewers are correct: the mounting screws that come with it are essentially junk. I had read this and ordered black wood screws ahead of time with the hopes of returning them. I used the 1" screws to secure the shelving to the brackets. The 2-1/2" screws get to go back as we were able to use the included screws to secure the brackets to the wall. But, two of the first three heads on the 1" screws popped off... so, we quickly moved away from those included. There is a little more flex in the brackets than I had expected... they're just a little too thin for 11-1/2" shelves. It won't affect anything for us as we'll just be placing dry food and canned goods on them in our pantry. But, if I were using them for the garage or the shop I'd probably buy a different brand OR decrease the space between brackets. I spaced mine out 12" from each edge and then 12" on center. Works well for our pantry.
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Reviewed in the United States on September 8, 2020
G
Verified Purchase
Gilberto R. Solorzano
New York, US
★★★★★ 5
Real good quality. Better price then Menards. Missing screws.
Size: 5.5 INCH
Real good quality, very sturdy, and it came with screws and drywall anchors. I would recommend. Only thing is it came with twice the drywall anchors that I needed and missing 2 screws. Not a big deal for me, but someone without screws laying around would have to buy a whole box for 2 screws. Other then that, it’s a good product and would buy again.
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Reviewed in the United States on October 23, 2023
A
Verified Purchase
Amanda Oldham
Cuba, US
★★★★★ 5
Amazing quality brackets
Size: 7.25 INCH, Size: 7.25 INCH
When I received my order I was very impressed with how the brackets were packaged. Once opened up, the steel brackets are amazing quality, and comes with all the screws needed. The only downsize is the screws are lower quality so by the time I got them in they were stripping where the screw driver sits. Same with the drywall attachments. I only used two dry wall attachments per shelf because I didn’t want to ruin my walls with giant holes. It seems to hold adequate weight. I put the regular screws in the bottom holes and through the wood to secure shelf from sliding. Overall I am very pleased. I will be ordering again when I do my bathroom shelves.
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Reviewed in the United States on July 8, 2019

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