What Blade Size Fits the Milwaukee Band Saw 6232-20? Length, Width, and TPI

You own a Milwaukee 6232-20 corded deep cut band saw and you need to order replacement blades. You know it takes a 44-7/8 inch blade, but you see multiple TPI options and you are not sure which one to use. You cut a mix of thick pipe, solid bar, unistrut, and structural steel. You need a guide that covers the 44-7/8 inch blade options for the 6232-20 and helps you choose the right one for each task.

The Milwaukee 6232-20 is a corded deep cut band saw. It uses a 44-7/8 inch blade, the same blade used by the Milwaukee M18 FUEL Deep Cut (2729-20, 2929-20), the DEWALT 20V MAX XR Deep Cut (DCS374B), and the DEWALT corded deep cut (DWM120). Blades are interchangeable between all these models.

For a quality replacement blade, the Milwaukee 48-39-0502 Bi-Metal Band Saw Blade in 44-7/8 inch with 10 TPI is the standard choice. For longer blade life, the LENOX Wolf-Band in 44-7/8 inch with 10/14 variable pitch is a strong alternative.

Milwaukee 6232-20 Specifications

Specification	Value
Model	6232-20
Type	Corded portable deep cut band saw
Cut capacity	4-3/4 inches
Blade length	44-7/8 inches
Blade width	1/2 inch
Blade thickness	0.020 inches
Motor	6 amp, 120V
Speed	Single speed, 350 SFPM
Weight	14.5 pounds
Switch	Trigger with lock-off

Available TPI Options

10 TPI (Part 48-39-0502)

Best for: General-purpose metal cutting. Thick pipe, solid bar, unistrut, structural steel. Material thickness: 1/4 to 2 inches. Characteristics: The standard blade for deep cut saws. Good balance of cutting speed and surface finish. Handles the widest range of materials.

When to use 10 TPI:

• Cutting thick wall pipe (2 to 4 inches)
• Cutting solid bar stock (1/2 to 2 inches)
• Cutting unistrut (1-5/8 to 2-1/2 inch)
• Cutting angle iron and structural steel
• General-purpose metal cutting

14 TPI (Part 48-39-0503)

Best for: Medium thickness material, thin-wall pipe, smoother cuts. Material thickness: 1/8 to 1 inch. Characteristics: Finer teeth produce a smoother cut than 10 TPI. Slower cutting but better surface finish.

When to use 14 TPI:

• Cutting medium wall pipe (1 to 2 inches)
• Cutting thin solid bar (1/4 to 1 inch)
• When surface finish matters more than cutting speed

18 TPI (Part 48-39-0504)

Best for: Thin-wall tubing, conduit, sheet metal. Material thickness: Under 1/4 inch. Characteristics: Fine teeth prevent grabbing and tearing in thin material. Smoothest cut on thin stock.

When to use 18 TPI:

• Cutting thin-wall tubing (under 1/4 inch wall)
• Cutting conduit
• Cutting sheet metal (16 gauge and thinner)

10/14 Variable Pitch (LENOX WB44-10/14)

Best for: Mixed material thicknesses. Thick and thin material with one blade. Characteristics: Alternating tooth spacing breaks up harmonic vibration and reduces noise. Handles a range of material thicknesses without changing blades.

When to use variable pitch:

• When you cut both thick and thin material with one blade
• When cutting thick solid bar where vibration is a problem
• When you want one blade for all tasks

Tooth Profile

Hook tooth (positive rake): The tooth leans forward. Cuts aggressively. Best for thick stock and production cutting.

Standard tooth (0 degree rake): The tooth is straight up. Good balance of cutting speed and surface finish. The most common profile for general-purpose blades.

Regular tooth (slight negative rake): Cuts slower, produces the smoothest finish. Best for thin material where surface quality matters.

Blade Material

Bi-Metal M42

The standard for the 6232-20. M42 high-speed steel edge hardened to 67 to 69 HRC. Can cut: Mild steel, stainless steel, aluminum, brass, copper, cast iron. Blade life: 50 to 200 cuts depending on material and thickness. Cost: 15 to 30 dollars.

Bi-Metal M51

Harder edge than M42 (69 to 70 HRC). Better for tough materials like stainless steel. Blade life: 20 to 30 percent longer than M42 in tough materials. Cost: 20 to 40 dollars.

Carbide-Tipped

Carbide teeth welded to a steel backing. The hardest cutting edge available. Blade life: 5 to 10 times longer than bi-metal. Cost: 60 to 120 dollars. When to choose carbide: Production cutting, hard materials, or when blade life is the priority.

Recommended Blades by Task

General-purpose cutting: 10 TPI, bi-metal M42, hook tooth. Handles 80 percent of metal cutting tasks. Cost: about 15 dollars.

Thick solid bar: 10/14 variable pitch, bi-metal M42. The variable pitch breaks up vibration in thick stock. Cost: about 20 dollars.

Thin-wall tubing: 18 TPI, bi-metal M42. Fine teeth prevent grabbing in thin material. Cost: about 15 dollars.

Stainless steel: 10/14 variable pitch, bi-metal M51 or carbide-tipped. The harder edge handles tough stainless. Cost: 25 to 80 dollars.

Production cutting: 10 TPI, carbide-tipped. Longest blade life for high-volume cutting. Cost: 60 to 120 dollars.

Cross-Brand Compatibility

The 44-7/8 inch blade is shared with:

• Milwaukee M18 FUEL Deep Cut (2729-20, 2929-20)
• Milwaukee corded deep cut (6232-20)
• DEWALT 20V MAX XR Deep Cut (DCS374B)
• DEWALT corded deep cut (DWM120)

Blades from any of these brands will fit the 6232-20. The blade length, width, and thickness are the same.

Corded vs Cordless: 6232-20 vs 2729-20

6232-20 (corded):

• 6 amp motor, 120V
• Single speed (350 SFPM)
• Unlimited runtime
• 14.5 pounds
• Lower cost (250 to 320 dollars)

2729-20 (cordless):

• POWERSTATE brushless motor, M18 battery
• Single speed (200 SFPM)
• Runtime limited by battery
• 14.7 pounds
• Higher cost (280 to 350 dollars bare tool)

Which to choose: If you work near an outlet and want unlimited runtime, the 6232-20 is the better choice. If you work on job sites without power, the 2729-20 is the better choice.

Blade Break-In

New bi-metal and carbide-tipped blades need a break-in period. Run the first 10 to 20 cuts at half feed pressure. This lets the tooth tips wear evenly and prevents chipping. Skipping break-in can reduce blade life by 30 to 50 percent.

FAQ

What blade does the Milwaukee 6232-20 use?

A 44-7/8 inch blade in 1/2 inch width and 0.020 inch thickness. Available in 10, 14, 18 TPI, and 10/14 variable pitch.

What TPI should I use for cutting thick pipe?

10 TPI is the best choice for thick wall pipe (2 to 4 inches). The coarse teeth bite deep and clear chips fast.

Can I use a DEWALT 44-7/8 inch blade in my Milwaukee 6232-20?

Yes. The blade length, width, and thickness are the same. DEWALT and Milwaukee 44-7/8 inch blades are interchangeable.

What is the difference between the 6232-20 and the 2729-20?

The 6232-20 is corded (6 amp, 120V) with single speed (350 SFPM). The 2729-20 is cordless (M18 battery) with single speed (200 SFPM). Both use the same 44-7/8 inch blade.

Are carbide-tipped blades worth it for the 6232-20?

For production cutting or hard materials, yes. Carbide blades last 5 to 10 times longer than bi-metal. For occasional use, bi-metal is sufficient.

How often should I replace my 44-7/8 inch blade?

When the cut slows down, the blade starts wandering, or the cut surface becomes rough. A sharp blade cuts smoothly with light pressure.

References

• Milwaukee Tool. “Corded Deep Cut Band Saw Owner’s Manual.” Model 6232-20.
• Milwaukee Tool. “Portable Band Saw Blade Specifications.” Milwaukee Tool Product Catalog.
• DEWALT. “Portable Band Saw Blade Reference.” DEWALT Product Catalog.
• LENOX Tools. “Wolf-Band 44-7/8 Inch Blade Guide.” LENOX Industrial Division.
• MK Morse. “Portable Band Saw Blade Comparison.” MK Morse Company.