Milwaukee M18 Deep Cut Band Saw: Model Identification, Setup, and Common Repairs
You own a Milwaukee M18 deep cut band saw and you need to identify the model, set it up, or repair it. Milwaukee M18 deep cut band saws are cordless portable band saws designed for cutting metal. You need to know the models, specifications, and common repairs.
Milwaukee M18 deep cut band saws are cordless portable band saws powered by M18 REDLITHIUM batteries. They are designed for cutting metal pipe, conduit, unistrut, and bar stock. The M18 deep cut line includes both FUEL (brushless) and non-FUEL (brushed) models.
Model Identification
Milwaukee M18 Deep Cut Band Saw Models
| Model | Type | Blade Length | Cut Capacity | Motor | Notes |
|---|---|---|---|---|---|
| 2729-20 | M18 FUEL deep cut | 44-7/8 inches | 5 x 5 inches | Brushless | Original FUEL |
| 2929-20 | M18 FUEL deep cut (newer) | 44-7/8 inches | 5 x 5 inches | Brushless | Newer model |
| 2929-22 | M18 FUEL deep cut kit | 44-7/8 inches | 5 x 5 inches | Brushless | Kit with batteries |
| 2680-20 | M18 deep cut (brushed) | 44-7/8 inches | 4-3/4 x 4-3/4 inches | Brushed | Older model |
How to Identify Your Model
- Find the model number on the label on the motor housing.
- If the label is missing, check for stamped numbers on the body.
- Check the blade length: 44-7/8 inches = deep cut model.
- Check the cut capacity: 5 x 5 inches = FUEL model, 4-3/4 x 4-3/4 inches = older brushed model.
- Contact Milwaukee customer service with any identifying numbers.
Specifications
Milwaukee 2729-20 (M18 FUEL Deep Cut)
| Specification | Value |
|---|---|
| Model | 2729-20 |
| Type | M18 FUEL deep cut band saw (tool only) |
| Battery | M18 REDLITHIUM (not included) |
| Motor | Brushless (POWERSTATE) |
| Blade length | 44-7/8 inches |
| Cut capacity | 5 x 5 inches |
| Speed | Variable, 0 to 570 SFPM (verify) |
| Weight | ~15 to 17 pounds (with battery) |
| LED light | Yes |
| Blade width | 1/2 inch |
| Blade thickness | 0.020 inches |
Milwaukee 2680-20 (M18 Deep Cut, Brushed)
| Specification | Value |
|---|---|
| Model | 2680-20 |
| Type | M18 deep cut band saw (tool only) |
| Battery | M18 REDLITHIUM (not included) |
| Motor | Brushed |
| Blade length | 44-7/8 inches |
| Cut capacity | 4-3/4 x 4-3/4 inches |
| Speed | Single speed (verify) |
| Weight | ~15 to 17 pounds (with battery) |
| LED light | Yes (verify) |
Setup
1. Install the Battery
- Charge the M18 battery fully before first use.
- Install the battery in the saw.
- Check that the battery clicks into place.
2. Install the Blade
- Open the blade guard.
- Release blade tension using the tension lever.
- Remove the old blade (if present).
- Install the new blade with teeth pointing toward the shoe.
- Apply tension using the tension lever.
- Check that the blade tracks properly.
- Close the blade guard.
3. Adjust the Shoe
- Loosen the shoe lock.
- Adjust the shoe position for the material size.
- Tighten the shoe lock.
4. Test Run
- Squeeze the trigger and let the saw reach full speed.
- Check for unusual noises or vibration.
- Check that the LED light works.
- Make a test cut to verify proper operation.
Blade Selection
Blade Length
All Milwaukee M18 deep cut band saws use a 44-7/8 inch blade, 1/2 inch wide, 0.020 inch thick.
Recommended TPI
| TPI | Best For | Material Thickness |
|---|---|---|
| 10 TPI | Thick pipe, solid bar | 1/4 to 2 inches |
| 14 TPI | Medium thickness | 1/8 to 1 inch |
| 18 TPI | Thin material, conduit | Under 1/4 inch |
| 10/14 variable pitch | Mixed thicknesses | All |
| 24 TPI | Very thin sheet metal | Under 1/8 inch |
Cross-Brand Compatibility
The 44-7/8 inch blade is shared with Milwaukee corded deep cut (6232-20, 6238-20), DEWALT deep cut (DCS374B, DCS375B, DWM120), Makita deep cut (XBP02), Porter Cable (PCE4530), and BLACK+DECKER (9411).
Common Repairs
1. Blade Replacement
When: Cuts become rough or blade breaks. Cost: 15 to 30 dollars.
2. Switch Replacement
When: Switch does not work reliably. Cost: 15 to 25 dollars.
3. Blade Guide Replacement
When: Guides are worn and blade wanders. Cost: 20 to 40 dollars.
4. Shoe Replacement
When: Shoe is bent or damaged. Cost: 20 to 40 dollars.
5. LED Light Assembly
When: LED does not work. Cost: 10 to 20 dollars.
6. Battery Replacement
When: Battery does not hold a charge. Cost: 60 to 150 dollars.
7. Motor Service
When: Motor does not run or makes excessive noise. FUEL models: Contact Milwaukee service center. Brushless motors are not user-serviceable. Brushed models: Replace brushes (cost: 10 to 20 dollars) or contact Milwaukee service center.
Maintenance
Daily: Clean chips from the shoe and blade area. Check the blade. Weekly: Clean the blade guides. Check the blade tension. Monthly: Check all screws and fasteners. Lubricate moving parts. Annually: Check the motor. Inspect the battery contacts.
FAQ
What is the difference between the Milwaukee 2729-20 and 2680-20?
The 2729-20 is the M18 FUEL model with a brushless motor and 5 x 5 inch cut capacity. The 2680-20 is the older brushed model with 4-3/4 x 4-3/4 inch cut capacity. The FUEL model has more power, longer run time, and larger cut capacity.
What blade does the Milwaukee M18 deep cut band saw use?
A 44-7/8 inch blade, 1/2 inch wide, 0.020 inch thick. Compatible with all Milwaukee deep cut models and other brands using the same length.
Where can I find parts for my Milwaukee M18 deep cut band saw?
Milwaukee customer service, eReplacementParts, Amazon, eBay, and Home Depot. Enter the model number to find the correct parts.
References
- Milwaukee Tool. “M18 Deep Cut Band Saw Guide.” milwaukeetool.com.
- eReplacementParts. “Milwaukee 2729-20 Parts.” eReplacementParts.com.
- Home Depot. “Milwaukee M18 Deep Cut Band Saw.” homedepot.com.
- Pro Tool Reviews. “Milwaukee M18 FUEL Deep Cut Review.” ProToolReviews.com.
- LENOX Tools. “44-7/8 Inch Blade Specifications.” LENOX Industrial Division.
