EtrenankMilwaukee · circular saws · United States
Milwaukee 2521-20 — M12 FUEL 5-3/8 in. Circular Saw
Brushless M12 circular saw supplied with a blade, blade wrench and vacuum adapter, but without a battery or charger. The operator manual rates the saw at 3,850 no-load RPM and a maximum 1-3/4-inch cutting depth at 90 degrees.
Verified
What works with this product
Documented compatible products
battery (5)
- Milwaukee 48-11-2425 — M12 REDLITHIUM HIGH OUTPUT CP2.5 BatteryCheck this exact pair
Conditions and evidence
CompatibleThe reviewed US M12 tools accept the catalogued M12 REDLITHIUM batteries. This does not establish M18 or undocumented legacy-device compatibility.
- M12 FUEL 2-Tool Combo Kit 3497-22
- M12 FUEL 1/4 in. Hex Impact Driver 3453-20
- M12 FUEL Installation Drill/Driver — 2505-20
- M12 FUEL 3/8 in. High Speed Ratchet — 2567-20
- M12 REDLITHIUM HIGH OUTPUT CP2.5 Battery — 48-11-2425
- M12 FUEL 5-3/8 in. Circular Saw 2521-20
- M12 FUEL Oscillating Multi-Tool 2526-20
- M12 FUEL Stubby 3/8 in. Impact Wrench 2562-20
- M12 HACKZALL 2520-20 operator manual
- M12 inflator 2475-20 operator manual
- M12 FUEL Jig Saw
- M12 FUEL Orbital Detail Sander
- M12 FUEL 1.6 Gallon Wet/Dry Vacuum
- M12 ROVER Service and Repair Flood Light w/ USB Charging
- M12 Compact Spot Blower
- M12 FUEL 1/4" Right Angle Die Grinder
- M12 FUEL 3" Compact Cut Off Tool
- M12 23 Gauge Pin Nailer
- M12 FUEL Compact Band Saw
- M12 REDLITHIUM XC6.0 Battery
- Milwaukee 48-11-2420 — M12 REDLITHIUM CP2.0 BatteryCheck this exact pair
Conditions and evidence
CompatibleThe reviewed US M12 tools accept the catalogued M12 REDLITHIUM batteries. This does not establish M18 or undocumented legacy-device compatibility.
- M12 FUEL 2-Tool Combo Kit 3497-22
- M12 FUEL 1/4 in. Hex Impact Driver 3453-20
- M12 FUEL Installation Drill/Driver — 2505-20
- M12 FUEL 3/8 in. High Speed Ratchet — 2567-20
- M12 REDLITHIUM HIGH OUTPUT CP2.5 Battery — 48-11-2425
- M12 FUEL 5-3/8 in. Circular Saw 2521-20
- M12 FUEL Oscillating Multi-Tool 2526-20
- M12 FUEL Stubby 3/8 in. Impact Wrench 2562-20
- M12 HACKZALL 2520-20 operator manual
- M12 inflator 2475-20 operator manual
- M12 FUEL Jig Saw
- M12 FUEL Orbital Detail Sander
- M12 FUEL 1.6 Gallon Wet/Dry Vacuum
- M12 ROVER Service and Repair Flood Light w/ USB Charging
- M12 Compact Spot Blower
- M12 FUEL 1/4" Right Angle Die Grinder
- M12 FUEL 3" Compact Cut Off Tool
- M12 23 Gauge Pin Nailer
- M12 FUEL Compact Band Saw
- M12 REDLITHIUM XC6.0 Battery
- Milwaukee 48-11-2440 — M12 REDLITHIUM XC4.0 BatteryCheck this exact pair
Conditions and evidence
CompatibleThe reviewed US M12 tools accept the catalogued M12 REDLITHIUM batteries. This does not establish M18 or undocumented legacy-device compatibility.
- M12 FUEL 2-Tool Combo Kit 3497-22
- M12 FUEL 1/4 in. Hex Impact Driver 3453-20
- M12 FUEL Installation Drill/Driver — 2505-20
- M12 FUEL 3/8 in. High Speed Ratchet — 2567-20
- M12 REDLITHIUM HIGH OUTPUT CP2.5 Battery — 48-11-2425
- M12 FUEL 5-3/8 in. Circular Saw 2521-20
- M12 FUEL Oscillating Multi-Tool 2526-20
- M12 FUEL Stubby 3/8 in. Impact Wrench 2562-20
- M12 HACKZALL 2520-20 operator manual
- M12 inflator 2475-20 operator manual
- M12 FUEL Jig Saw
- M12 FUEL Orbital Detail Sander
- M12 FUEL 1.6 Gallon Wet/Dry Vacuum
- M12 ROVER Service and Repair Flood Light w/ USB Charging
- M12 Compact Spot Blower
- M12 FUEL 1/4" Right Angle Die Grinder
- M12 FUEL 3" Compact Cut Off Tool
- M12 23 Gauge Pin Nailer
- M12 FUEL Compact Band Saw
- M12 REDLITHIUM XC6.0 Battery
Identity and specifications
| Manufacturer | Milwaukee |
|---|---|
| Model | 2521-20 |
| US regional SKU | 2521-20 |
| Battery platform | Milwaukee M12 |
| Category | circular saws |
| Brushless | true |
| Max Rpm | 3850 |
| Tool Only | true |
Evidence and freshness
- M12 FUEL 5-3/8 in. Circular Saw 2521-20Milwaukee Tool · retrieved 2026-09-02 · Link and reviewed factual extraction only; raw page and media storage not approved.
- M12 circular saw 2521-20 operator manualMilwaukee Tool · retrieved 2026-09-02 · Link and reviewed factual extraction only; raw page and media storage not approved.
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