# What are the circular saws with the highest cutting speed? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the circular saws with the highest cutting speed?

## Products

### Skil SPT77WML-01 7-1/4 in. Worm Drive Circular Saw
```yaml
product: skil-spt77wml-01-7-1-4-in-worm-drive-circular-saw
brand: Skil
price_gbp: 133.55
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 11.6 lb
bevel_angle: 0 to 53 degrees
power_source: corded
cutting_depth: 2.25 in
blade_diameter: 7.25 in
```

- **Price:** £133.55 [^1]
- **Summary:** A professional-grade 7.25 in worm-drive circular saw with magnesium construction, high torque for fast ripping and metal cuts, and a left-side blade. It's built for heavy construction tasks and long cutting sessions where power and durability matter. The saw is relatively heavy but offers excellent sight lines and precise depth/bevel adjustments.
- **Ideal For:** Ideal for highest cutting speed searches because its worm-drive 15A corded design and measured fast cut times (e.g., 2.34 sec cross-cut, 11 sec rip) indicate top cutting performance.

### Bosch GKS18V-25GCB14 18V 7-1/4in Cordless Circular Saw (5,000 RPM)
```yaml
product: bosch-gks18v-25gcb14-18v-7-1-4in-cordless-circular-saw-5-000-rpm
brand: Bosch
price_gbp: 238.01
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 9.5
bevel_angle: 0° to 50°
power_source: Battery (Lithium Ion)
cutting_depth: 2.5
blade_diameter: 7.25
variable_speed: false
```

- **Price:** £238.01 [^2]
- **Summary:** Cordless 18V PROFACTOR circular saw with BITURBO Brushless motor delivering up to 5,000 RPM, a 7.25 in blade, 2.5 in max cutting depth, and a 0-50° bevel range. It includes connectivity features, an electronic brake, track compatibility, and is sold as a kit with CORE18V battery on some retailer listings, making it suitable for pro carpenters who need corded-equivalent performance from a battery tool.
- **Ideal For:** Suited for the question because it reaches a top no-load speed of 5,000 RPM, matching high-speed cordless circular saws and offering six speed settings for control.
- **Additional Sources:** [^3], [^4]

### Big Foot SBFX BF 10-1/4in 15 Amp Worm Drive Circular Saw
```yaml
product: big-foot-sbfx-bf-10-1-4in-15-amp-worm-drive-circular-saw
brand: Big Foot
price_gbp: 283.52
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 15.93
bevel_angle: 50°
power_source: Corded Electric
cutting_depth: 3.875 in
no_load_speed: 5300
blade_diameter: 10.25 in
variable_speed: false
```

- **Price:** £283.52 [^5]
- **Summary:** Heavy-duty 15 Amp corded worm-drive circular saw with a 10.25 in carbide-tipped blade, high 5,300 RPM no-load speed, and deep cutting capacity (3.875 in at 90°). Built with magnesium guards and foot for reduced weight and durability, it's aimed at professional framers and heavy timber work. Ships assembled in the USA and includes a carbide blade.
- **Ideal For:** Well suited for highest cutting speed comparisons because it delivers a 5,300 RPM no-load speed combined with a 15 Amp worm-drive motor for sustained high-torque cutting.
- **Additional Sources:** [^6]

### DeWalt 20V Max 6-1/2 in. Cordless Circular Saw DCS391B
```yaml
product: dewalt-20v-max-6-1-2-in-cordless-circular-saw-dcs391b
brand: DeWalt
price_gbp: 96.25
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 6
bevel_angle: 0-50°
power_source: Battery
cutting_depth: 2-1/8 in
no_load_speed: 5150
blade_diameter: 6-1/2 in
```

- **Price:** £96.25 [^7]
- **Summary:** Cordless 20V Max circular saw with a 6-1/2 in carbide-tipped blade and a 5,150 RPM motor. Lightweight magnesium shoe, 0-50 degree bevel capacity, and keyless blade change make it suitable for fast, precise cuts on job sites or DIY projects.
- **Ideal For:** Suitable for highest cutting speed comparisons because it has a 5,150 RPM motor, which is among the higher no-load speeds for 6-1/2 in cordless saws.
- **Additional Sources:** [^8], [^9]

### DeWalt DCS391B 20V MAX 6-1/2in Circular Saw (5,150 RPM)
```yaml
product: dewalt-dcs391b-20v-max-6-1-2in-circular-saw-5-150-rpm
brand: DeWalt
price_gbp: 96.25
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 7.0 lbs
bevel_angle: 0-50 degrees
power_source: Cordless
cutting_depth: 2-1/8 in
no_load_speed: 5150 RPM
blade_diameter: 6-1/2 in
```

- **Price:** £96.25 [^8]
- **Summary:** The DCS391B is a 20V MAX cordless circular saw with a 6-1/2 in carbide-tipped blade and a 5150 RPM brushed motor. It features a lightweight magnesium shoe, 0-50° bevel capacity, and an ergonomic over-molded grip, suitable for jobsite framing and general carpentry tasks.
- **Ideal For:** Ideal for highest cutting speed comparisons because it delivers a 5150 RPM no-load speed, one of the faster motors in 20V MAX 6-1/2 in saws.
- **Additional Sources:** [^10]

### DeWalt FlexVolt 60V Max 7-1/4 in. Cordless Worm Drive DCS577B
```yaml
product: dewalt-flexvolt-60v-max-7-1-4-in-cordless-worm-drive-dcs577b
brand: DeWalt
price_gbp: 257.33
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 10.8 lbs
bevel_angle: 53 deg (bevel capacity), stops at 45 deg and 22.5 deg
power_source: 60 V DC (FlexVolt battery)
cutting_depth: 2-7/16 in at 90 deg; 1-7/8 in at 45 deg
no_load_speed: 5800 rpm
blade_diameter: 7-1/4 in
```

- **Price:** £257.33 [^11]
- **Summary:** Cordless rear-handle worm-drive style circular saw powered by DeWalt FLEXVOLT 60V batteries with a 7-1/4 in blade, brushless motor, magnesium shoe, electronic brake and integrated dust blower. It delivers 5800 rpm and up to 2-7/16 in cutting depth at 90 deg, targeting professional framers and contractors needing cordless power and durability.
- **Ideal For:** Best for high-speed cutting needs because it runs at 5800 rpm with a brushless motor and FLEXVOLT 60V battery for sustained high power.
- **Additional Sources:** [^12], [^13]

### Makita 40V Max XGT 7-1/4 in. Rear Handle Circular Saw GSR01M1
```yaml
product: makita-40v-max-xgt-7-1-4-in-rear-handle-circular-saw-gsr01m1
brand: Makita
price_gbp: 349.92
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 11.7 lbs
bevel_angle: 53°
power_source: 40V max XGT battery
cutting_depth: 2-9/16 in
no_load_speed: 6400 RPM
blade_diameter: 7-1/4 in
```

- **Price:** £349.92 [^14]
- **Summary:** Cordless rear-handle Makita GSR01M1 uses the 40V XGT brushless motor to deliver up to 6,400 RPM and a corded-equivalent 15 AMP performance, with a 7-1/4 in blade and 2-9/16 in maximum cutting depth. It includes a 4.0 Ah battery, charger, blade, and bag, and features automatic torque drive, magnesium components, and jobsite protection for heavy-duty framing and roofing work.
- **Ideal For:** Fits users seeking the fastest-cutting circular saws because its 6,400 RPM no-load speed and high-torque brushless 40V XGT motor deliver top cutting speed among 7-1/4 in cordless saws.
- **Additional Sources:** [^15], [^16]

### Milwaukee 6470-21 10-1/4in 15 Amp Circular Saw
```yaml
product: milwaukee-6470-21-10-1-4in-15-amp-circular-saw
brand: Milwaukee
price_gbp: 542.48
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 17.8 lb
bevel_angle: 0-60 deg
power_source: Corded electric
cutting_depth: 3.813 in
no_load_speed: 5200
blade_diameter: 10-1/4 in
```

- **Price:** £542.48 [^17]
- **Summary:** The Milwaukee 6470-21 is a corded 15 Amp, 10-1/4 in circular saw with a 5,200 RPM motor, electric brake, and aircraft aluminum shoe for durable, high-performance cutting. It offers a 3.813 in depth of cut at 90° and up to 60° bevel capacity, suitable for heavy framing and roof rafter work.
- **Ideal For:** Ideal for users seeking high cutting speed because its 5,200 RPM no-load speed and 15 Amp motor deliver fast cuts and maintain power under load.
- **Additional Sources:** [^18], [^19]

### Milwaukee M18 FUEL 2630-20 6-1/2in Circular Saw (High Speed variant)
```yaml
product: milwaukee-m18-fuel-2630-20-6-1-2in-circular-saw-high-speed-variant
brand: Milwaukee
price_gbp: 111.17
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 7.0
bevel_angle: 50
power_source: Battery
no_load_speed: 3500
blade_diameter: 6.5 in
variable_speed: false
```

- **Price:** £111.17 [^20]
- **Summary:** Cordless M18 6-1/2in circular saw delivers a 3,500 RPM motor in a lightweight package with magnesium guards and an aircraft-aluminum shoe for accuracy. It includes an electronic brake, ergonomic soft-grip handle, and is sold as a bare tool compatible with M18 batteries.
- **Ideal For:** Suitable for highest cutting speed comparison because it offers a 3,500 RPM no-load speed, one of the highest for 6.5in cordless circular saws.
- **Additional Sources:** [^21]

### Milwaukee M18 FUEL 7-1/4 in. Rear Handle Circular Saw 2930-20
```yaml
product: milwaukee-m18-fuel-7-1-4-in-rear-handle-circular-saw-2930-20
brand: Milwaukee
price_gbp: 185.78
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 8.27
bevel_angle: 53°
power_source: Cordless (M18 battery)
cutting_depth: 2.625
no_load_speed: 6000
blade_diameter: 7.25 in
variable_speed: false
```

- **Price:** £185.78 [^22]
- **Summary:** Powerful M18 FUEL rear-handle circular saw with a POWERSTATE brushless motor delivering 6,000 RPM, 2.625 in cut capacity at 90°, a magnesium shoe/guards, rotational dust port and electric brake; sold as a bare tool or in kits and designed for professional carpenters and framers who need cordless performance comparable to corded worm-drive saws. It pairs with M18 REDLITHIUM batteries for long runtime and up to ~700 cuts per charge with the HD12.0 battery.
- **Ideal For:** Ideal for highest cutting speed searches because it specifies a 6000 RPM no-load speed and a POWERSTATE brushless motor marketed as the fastest-cutting circular saw in its class.
- **Additional Sources:** [^23], [^24]

---
## References & Sources
[^1]: Amazon, accessed 2026-06-15. https://www.amazon.com/dp/B00B7EUS46
[^2]: Bosch Tools (product page), accessed 2026-06-15. https://www.boschtools.com/us/en/products/gks18v-25cn-06016b5016
[^3]: Tony Power Tools, accessed 2026-06-15. https://www.tonypowertools.com/en/product/power-tools/4480-profactor-18v-strong-arm-connected-ready-7-1-4-in-circular-saw-kit-with-track-compatibility-and-1-core18v-8-0-ah-profactor-performance-battery.html
[^4]: Popular Mechanics (retailer listing reference), accessed 2026-06-15. https://www.popularmechanics.com/home/tools/a28319503/best-circular-saws/
[^5]: JLC Online (article listing specs), accessed 2026-06-15. https://www.jlconline.com/tools/fastening-tools/power-tools/the-new-10-1-4-inch-big-foot-worm-drive-saw_o
[^6]: Acme Tools, accessed 2026-06-15. https://www.acmetools.com/big-foot-tools-10-1-4-in-worm-drive-beam-saw-sc-1025su-sc-1025su/637827125175.html
[^7]: The Home Depot, accessed 2026-06-15. https://www.homedepot.com/p/DEWALT-20V-MAX-Cordless-6-5-in-Sidewinder-Style-Circular-Saw-Tool-Only-DCS391B/203164241
[^8]: Ace Hardware, accessed 2026-06-15. https://www.acehardware.com/departments/tools/power-tools/circular-saws/2393122
[^9]: Burns Tools, accessed 2026-06-15. https://www.burnstools.com/dewalt-dcs391b-20v-max-6-1-2-circular-saw-bare-tool
[^10]: Lowe's, accessed 2026-06-15. https://www.lowes.com/pd/DEWALT-20-volt-Max-6-1-2-in-Cordless-Circular-Saw-with-Brake-and-Magnesium-Shoe/3962443
[^11]: AIH Alaska Industrial Hardware, accessed 2026-06-15. https://www.aih.com/Product/DWTDCS577B
[^12]: Tanner Bolt, accessed 2026-06-15. https://www.tannerbolt.com/dew-dcs577b-60v-max-7-1-4-184mm-framgsaw-bare
[^13]: Acme Tools, accessed 2026-06-15. https://www.acmetools.com/dewalt-flexvolt-60v-max-7-1-4-worm-drive-style-saw-bare-tool-dcs577b/885911537018.html
[^14]: The Home Depot, accessed 2026-06-15. https://www.homedepot.com/p/Makita-40V-Max-XGT-Brushless-Cordless-Rear-Handle-7-1-4-in-Circular-Saw-Kit-4-0-Ah-GSR01M1/316617916
[^15]: Würth Baer Supply, accessed 2026-06-15. https://wurthbaersupply.com/product/761810/40V-MAX-XGT-CIRC-SAW-7-1-4-4.0AH-GSR01M1
[^16]: Pacific Power Tools, accessed 2026-06-15. https://pacificpowertools.com/products/gsr01m1
[^17]: Rexel, accessed 2026-06-15. https://www.rexelusa.com/p/196232/milwaukee/milw-6470-21-saw-circ-10-1-4-15a/045242157433
[^18]: Placide, accessed 2026-06-15. https://placide.com/en/milwaukee-6470-21-10-1-4-circular-saw-milwaukee-mil6470-21
[^19]: Home Depot, accessed 2026-06-15. https://www.homedepot.com/p/questions/Milwaukee-15-Amp-10-1-4-in-Circular-Saw-6470-21/203400502/3
[^20]: Home Depot, accessed 2026-06-15. https://www.homedepot.com/p/Milwaukee-M18-18V-Lithium-Ion-Cordless-6-1-2-in-Circular-Saw-Tool-Only-2630-20/202196549
[^21]: Acme Tools, accessed 2026-06-15. https://www.acmetools.com/milwaukee-m18-6-1-2-inch-circular-saw-bare-tool-2630-20/045242155965.html
[^22]: Acme Tools, accessed 2026-06-15. https://www.acmetools.com/milwaukee-m18-fuel-7-1-4-inch-rear-handle-circular-saw-bare-tool-2930-20/S0000000095903.html
[^23]: Home Depot, accessed 2026-06-15. https://www.homedepot.com/p/Milwaukee-M18-FUEL-18V-Lithium-Ion-Cordless-7-1-4-in-Rear-Handle-Circular-Saw-Tool-Only-2930-20/332105045
[^24]: Platt, accessed 2026-06-15. https://www.platt.com/p/2230602/milwaukee/m18-fuel-7-1-4-rear-handle-circular-saw/045242846542/mil293020