The Milwaukee 48-39-0520 18 TPI Standard Deep Cut Portable Band Saw Blade is a portable band saw blade built for metal cutting with compatible deep-cut portable band saws. This is a band saw blade designed for straight, accurate cuts in metal stock. Model Number 48-39-0520. If you run a portable band saw on conduit, strut, pipe, angle iron, or threaded rod, this blade is aimed at that everyday work where cut quality and blade life both matter.

The 18 TPI tooth pattern gives this blade a good fit for thinner metal and general-purpose metal cutting. Milwaukee rates it for common materials from 5/32 inch to 3/16 inch thick and for very hard materials from 3/16 inch to 5/16 inch thick. In practical terms, that means it is better suited to controlled cuts in metal than rough, aggressive ripping. You trade a little speed for cleaner tracking and a better finish, which is usually the right move when you want the saw to cut straight instead of wander.

Milwaukee uses bi-metal construction with Matrix II high speed steel teeth and alloy backing steel. That combination is a big part of why this blade holds up in real metal-cutting use. The tooth edge is built to resist wear, while the backing helps the blade flex through repeated cycles in a portable band saw. For anyone who burns through cheap blades, that construction is the difference between getting through a stack of cuts and swapping blades too soon.

The blade is made in the standard deep-cut portable band saw size of 44-7/8 inches long, 1/2 inch wide, and 0.020 inch thick. That fitment matters more than anything else when you are replacing a blade. If your saw is set up for that blade size, this Milwaukee blade gives you a direct match without guessing on length or width. Milwaukee also calls out its tooth form, pitch, and set as part of what helps the blade make straight, accurate cuts across a broad range of materials.

On the job, this blade is intended for metals like aluminum, brass, bronze, copper, galvanized pipe, mild steel, stainless steel, chrome, tungsten steel, angle iron, and similar problem materials. That makes it a practical choice for electricians, plumbers, HVAC installers, metal fabricators, and general contractors who rely on a portable band saw for cleaner cuts with fewer sparks than an abrasive wheel. It is also a smart spare to keep in the truck if your work shifts between tubing, strut, and threaded rod in the same day.

If you need a portable band saw blade for wood or demolition, this is not that blade. The Milwaukee 48-39-0520 18 TPI Standard Deep Cut Portable Band Saw Blade is for users who want a metal-cutting blade with the right tooth count, proven bi-metal build, and the correct 44-7/8 inch fit for standard deep-cut portable band saws. For metal trade work, that is the combination that counts.

Milwaukee 48-39-0520 18 TPI Standard Deep Cut Portable Band Saw Blade for everyday metal work

This is a smart grab if your portable band saw spends more time on conduit, pipe, strut, and rod than anything else.

• Who it's for: Tradespeople and serious DIY users cutting metal with a portable band saw that takes a 44-7/8 inch blade.
• Why it stands out: The bi-metal build and 18 TPI pattern hit a good balance of durability and cut quality for common jobsite metals.
• Worth knowing: This is a one-pack replacement blade, not a multi-pack, and it only makes sense if your saw matches the blade size.

• What tool type is this for? It is a band saw blade for portable band saws that accept a 44-7/8 inch blade.
• What materials is it designed to cut? It is intended for metal cutting, including aluminum, brass, bronze, copper, galvanized pipe, mild steel, stainless steel, chrome, tungsten steel, angle iron, strut, conduit, threaded rod, and pipe.
• What blade size does it use? The blade size is 44-7/8 in long, 1/2 in wide, and 0.020 in thick.
• Is this a fine-tooth blade? Yes. At 18 teeth per inch, it is set up for cleaner, more controlled cutting in metal rather than fast rough cutting.