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DEWALT DW4811B 6-inch, 18-TPI straight back bi-metal reciprocating saw blade in a 100-pack for fast, smooth metal cutting with up to 50% longer life.
Categories : tools
SKU : WOR-TOO-487
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The DEWALT DW4811B is a 6-inch, 18-TPI straight back bi-metal reciprocating saw blade engineered for serious metal-cutting work. Its patented toothform clears chips efficiently and delivers up to 50% longer life compared with previous DEWALT blades, making it a go-to choice for contractors, fabricators, and advanced DIYers who need a durable blade for framing, sheet metal, pipe, and more.
This 100-pack of DW4811B blades gives you a long-run supply for job-site cutting. The 18-TPI configuration produces smoother cuts in thinner metals, while the bi-metal construction—cobalt reinforced teeth welded to a flexible steel back—reduces breakage and extends edge life. Straight back design provides stability in the saw shoe.
For cutting steel, sheet metal, aluminum, and other ferrous or non-ferrous materials, 18 TPI is ideal because the finer teeth remove less material per stroke and reduce vibration. The DW4811B's optimized toothform also helps pull the blade through the cut faster, so you can work longer and with less effort.
You get one hundred 6-inch blades, each with a 1/2-inch universal shank that fits most reciprocating saws. That's a long-lasting stock for regular metal repair, HVAC ductwork, and automotive jobs.
At Workbench World, we back this blade with practical advice on choosing the right TPI and maintaining safe cutting practice. Pair the DW4811B with a variable-speed reciprocating saw and start with a low speed to get the best cut quality.
Up to 50% longer life: patented toothforms optimize chip removal and cut efficiency
Bi-metal construction: combines flexibility and long-lasting cutting edge
18 TPI: delivers smooth, fast cuts in metal
6-inch length: ideal for close-quarters cutting
100-pack: job-site ready bulk supply
TPI: 18
Model: DW4811B
Shank: 1/2 in universal
Length: 6 in (152 mm)
Material: Bi-metal with 8% cobalt reinforced teeth
Product Type: Reciprocating Saw Blade
Pack Quantity: 100
Cutting Application: Metal cutting
Seller: Workbench World
MPN: DW4811B
When you're cutting sheet metal or pipe, tooth count determines finish and speed. 18 TPI gives you a finer finish and less chance of catching than a coarse blade. The DW4811B's tooth geometry is designed to prevent packing and keep the blade cool.
Buying blades individually is practical for small jobs, but professionals go through blades quickly. This 100-pack brings per-blade cost down and ensures you always have a fresh blade when the cut matters.
Use a variable-speed saw at lower speeds for hard metals, apply steady pressure, and keep the saw shoe flush. This reduces heat build-up, extends blade life, and gives you cleaner, faster cuts.
The DW4811B is designed primarily for metal cutting with its 18 TPI tooth configuration. It can handle aluminum, steel, and other metals, but for wood use a lower TPI blade.
A straight back blade has a consistent height along the entire length, which adds rigidity in the saw shoe. Tapered back blades are lighter and better for curved cuts. The DW4811B's straight back suits straight, aggressive metal cuts.
Yes, 6-inch blades are compatible with nearly all reciprocating saws that accept a 1/2-inch universal shank.
That depends on use intensity, but bi-metal construction and 50% longer life mean each blade lasts longer than standard HCS blades, so this pack is a solid investment for heavy users.
These blades are fantastic. They cut through stainless like it's butter and last a long time. I've used them on my reciprocating saw for different jobs and they haven't broken yet. At this price for 100, it's a steal.
I've been using these for years. The 18 TPI is perfect for thin metal. They're sharp and last longer than cheaper brands. The only reason I'm not giving 5 stars is that the pack doesn't include a case.
