Best Plasma Cutters for Industrial and Commercial Use

Industrial plasma cutting demands more than high amperage — it demands sustained performance, precision at speed, and the durability to hold up under continuous commercial production.

The machines in this category cut from 3/4" to 1-1/2" mild steel at rated speed, run at high duty cycles, and are built for demanding environments: fabrication shops, structural steel operations, manufacturing facilities, and CNC cutting tables running high-volume throughput.

We've put together the best industrial-grade plasma cutters available at Canada Welding Supply, spanning 65 to 125 amps across the Lincoln Electric FlexCut lineup and the Thermal Dynamics Cutmaster 70+.

Best Plasma Cutters for Industrial and Commercial Use

These machines are rated for continuous professional use, carry industrial IP23 enclosures, and cover a full range of industrial cutting applications from heavy structural work to automated mechanized cutting on CNC tables. Multi-phase power options, CNC integration, and multi-process capability are standard at this tier.

Thermal Dynamics Cutmaster 70+

The Cutmaster 70+ is a 70-amp single-phase plasma cutter that brings industrial cutting capacity to shops and sites that run on standard 120V or 240V power — without requiring a three-phase service upgrade. It cuts 1-1/8" mild steel and severs up to 1-1/2", with a pierce capacity of 3/4", making it the most capable single-phase machine in this lineup and a strong choice for fabricators and contractors who need serious cutting power in a portable, field-ready package.

The 4.3" TFT LCD display with a glove-friendly knob gives fast, precise control on the floor or outdoors, and the 2T/4T trigger lock on the SL60 1Torch keeps long continuous cuts manageable. Normal and grate cutting modes, post-cut air purge, and a pre-installed 14-pin CNC port with voltage divider give this machine the operational flexibility a professional environment demands. At 38.6 lbs with IP23S weatherproof housing and three carry handles, it moves as easily as a machine of this capability can.

• Amperage: 15–70A, continuously adjustable
• Input Voltage: 120–240V +/-15%, 1-phase, 50/60Hz
• Pierce Capacity: Up to 3/4" (20 mm)
• Cutting Capacity: 1-1/8" (30 mm) @ 6 ipm
• Max Severance: 1-1/2" (38 mm)
• Duty Cycle: 240V: 40% @ 70A / 100% @ 40A | 120V: 40% @ 70A / 100% @ 16A
• Gas: Compressed air, 90–125 PSI
• CNC Port: 14-pin CPC receptacle with voltage divider
• Enclosure: IP23S
• Weight: 38.6 lbs (17.5 kg)
• Warranty: 3-year power supply, 1-year torch and leads
• Price: $4,976.00

Shop the Cutmaster 70+ at Canada Welding Supply →

Lincoln Electric FlexCut 65

The FlexCut 65 is the entry point into Lincoln Electric's industrial FlexCut range, and it arrives with a feature set that leaves nothing out for professional shop use. With 65 amps of output, it cuts 3/4" mild steel at 20 ipm and reaches a 1" maximum cut, with severance up to 1-1/4". It accepts single-phase or three-phase power across a wide 200–600V input range, giving you the flexibility to run it on whatever service your shop is wired for — without adapters or compromises in output.

Eight plasma cutting processes — including drag cutting, fine cutting, gouging, and marking — make this a single machine that covers a full range of shop applications. Built-in CNC ports with automatic table detection make integration with a cutting table straightforward, with no separate interface hardware required. The FlexConnect Torch System supports fast torch head and cable changes, IP23 protection handles the environment, and Lincoln's industry-best 5-year warranty backs the investment. At 62 lbs, it's the lightest multi-phase machine in the FlexCut industrial lineup.

• Amperage: 15–65A
• Input Voltage: 200–600V, 1-phase or 3-phase, 50/60Hz
• Recommended Cut: 3/4" (19 mm) mild steel @ 20 ipm
• Max Cut: 1" (25 mm) @ 10 ipm
• Max Severance: 1-1/4" (32 mm) @ 5 ipm
• Duty Cycle: 3-phase: 70% @ 65A / 100% @ 55A | 1-phase: 50% @ 65A / 100% @ 45A
• Air Pressure: 90–120 PSI
• CNC Integration: Built-in ports, automatic table detection
• Processes: Drag cutting, fine cutting, gouging, marking (8 total)
• Enclosure: IP23
• Weight: 62 lbs (28.1 kg)
• Warranty: 5-year industry-best warranty
• Price: $5,179.00

Shop the FlexCut 65 at Canada Welding Supply →

Lincoln Electric FlexCut 85

The FlexCut 85 steps up to 85 amps and is purpose-built for construction, general fabrication, and maintenance and repair operations that demand higher throughput and deeper cutting capacity. It cuts 1" mild steel at 20 ipm as the recommended rate — notably faster than the FlexCut 65 at the same thickness — and pushes to 1-1/4" maximum cut and 1-1/2" severance. On three-phase power, it runs at 60% duty cycle at full 85A output; on single-phase, it holds 40% at 85A with 100% duty cycle available at 55A.

The CNC integration is identical to the FlexCut 65 — built-in ports, automatic table detection, and machine torch compatibility — making the FlexCut 85 a natural fit for shops running high-volume CNC cutting where material thickness pushes past 3/4". The same FlexConnect Torch System, IP23 enclosure, 8 cutting processes, and 5-year warranty apply across the FlexCut industrial lineup. At 71 lbs, it's 9 lbs heavier than the FlexCut 65, reflecting the upgraded transformer and power electronics inside.

• Amperage: 15–85A
• Input Voltage: 200–600V, 1-phase or 3-phase, 50/60Hz
• Recommended Cut: 1" (25 mm) mild steel @ 20 ipm
• Max Cut: 1-1/4" (32 mm) @ 11 ipm
• Max Severance: 1-1/2" (38 mm) @ 6 ipm
• Duty Cycle: 3-phase: 60% @ 85A / 100% @ 65A | 1-phase: 40% @ 85A / 100% @ 55A
• Air Pressure: 90–120 PSI
• CNC Integration: Built-in ports, automatic table detection
• Processes: Drag cutting, fine cutting, gouging, marking (8 total)
• Enclosure: IP23
• Weight: 71 lbs (32.2 kg)
• Warranty: 5-year industry-best warranty
• Price: $6,299.00

Shop the FlexCut 85 at Canada Welding Supply →

Lincoln Electric FlexCut 105

The FlexCut 105 operates at 105 amps on three-phase power with an 80% duty cycle — a rating that reflects serious industrial use, not intermittent shop cutting. It cuts 1-1/4" mild steel at 15 ipm, reaches 1-1/2" maximum cut, and severs up to 2" with a 7/8" pierce capacity. The three-phase-only input (200–600V) means this machine is designed for shops with the power infrastructure to match its output — and in those environments, it runs at near-continuous capacity through demanding production cycles.

Advanced CNC integration is a core feature at this level: built-in ports, automatic table detection, and full machine torch compatibility for automated cutting systems. The IP23-rated enclosure combines reinforced components and shock-resistant housing to hold up to dust, water spray, and the physical demands of daily industrial use. The FlexConnect Torch System maintains the same quick-change torch flexibility as the rest of the FlexCut lineup, and the 5-year warranty covers the machine without exception.

• Amperage: 30–105A
• Input Voltage: 200–600V, 3-phase, 50/60Hz
• Recommended Cut: 1-1/4" (32 mm) mild steel @ 15 ipm
• Max Cut: 1-1/2" (38 mm) @ 10 ipm
• Severance: 2" (51 mm) @ 5 ipm
• Pierce Thickness: 7/8" (22 mm)
• Duty Cycle: 80% @ 105A / 100% @ 94A (400–600V)
• Air Pressure: 90–130 PSI
• CNC Integration: Built-in ports, automatic table detection, machine torch compatible
• Enclosure: IP23
• Weight: 90.6 lbs (41 kg)
• Warranty: 5-year industry-best warranty
• Price: $9,238.00

Shop the FlexCut 105 at Canada Welding Supply →

Lincoln Electric FlexCut 125

The FlexCut 125 is the most powerful plasma cutter in the FlexCut lineup and one of the most capable machines available for high-demand industrial cutting. At 125 amps on 400–600V three-phase power, it runs at 100% duty cycle — meaning it can cut continuously without thermal interruption. It cuts 1-1/2" mild steel at 15 ipm, reaches 1-3/4" maximum cut, and severs up to 2-1/4" with a 1" pierce capacity. This is the machine for structural steel fabrication, heavy manufacturing, shipbuilding, and any application where output demands are not negotiable.

The FlexCut 125 is available in a handheld ready-pak (K5828-H) and a mechanized ready-pak (K5828-M) — the mechanized package includes a FlexConnect mechanized torch and mechanized cutting consumables for CNC table integration. Advanced CNC features include built-in ports, automatic table detection, and machine torch compatibility across both configurations. The IP23-rated enclosure, reinforced construction, and 5-year warranty match the industrial standard set across the full FlexCut lineup.

• Amperage: 30–125A
• Input Voltage: 400–600V, 3-phase, 50/60Hz
• Recommended Cut: 1-1/2" (38 mm) mild steel @ 15 ipm
• Max Cut: 1-3/4" (44 mm) @ 10 ipm
• Severance: 2-1/4" (57 mm) @ 5 ipm
• Pierce Thickness: 1" (25 mm)
• Duty Cycle: 100% @ 125A (400–600V, 3-phase)
• Air Pressure: 90–130 PSI
• Packages: K5828-H (Handheld) / K5828-M (Mechanized)
• CNC Integration: Built-in ports, automatic table detection, machine torch compatible
• Enclosure: IP23
• Weight: 90.6 lbs (41 kg)
• Warranty: 5-year industry-best warranty
• Price: $11,163.00

Shop the FlexCut 125 at Canada Welding Supply →

What to Expect from an Industrial-Grade Plasma Cutter

Industrial plasma cutters are defined by three things that mid-range machines can't consistently deliver: high duty cycles, deep cut capacity at operating speed, and the ability to take three-phase power. Duty cycle is the most important of the three in a commercial production context. A machine running at 40–50% duty cycle means production stops regularly for cool-down time — in a shop running high-volume cuts or operating a CNC table, that lost time compounds fast. The FlexCut 65, 85, 105, and 125 run at 60–100% duty cycle at full rated output on three-phase service, which means sustained cutting without thermal interruption.

Cut capacity at speed matters as much as raw amperage. An 85-amp machine that cuts 1" mild steel at 20 ipm moves significantly faster through production than one that cuts the same thickness at 6–8 ipm, and that difference multiplies across a full shift. Every machine in this lineup is rated by recommended cut speed, not just maximum severance — which is how we present the specs, and how you should evaluate any machine you're considering for production use.

CNC Integration and Mechanized Cutting

All five machines in this lineup are CNC-capable, but the level of integration varies by model. The Cutmaster 70+ includes a 14-pin CPC receptacle and voltage divider for basic CNC connectivity. The FlexCut 65, 85, 105, and 125 feature built-in CNC ports with automatic table detection — the machine recognizes when it's connected to a CNC table and configures itself accordingly, without manual setup. For shops operating automated cutting systems, that plug-and-play integration reduces setup time and eliminates configuration errors.

The FlexCut 125 is the only machine in this lineup available in a dedicated mechanized cutting package (K5828-M), which includes a FlexConnect mechanized torch and mechanized cutting consumables optimized for CNC table use. If your operation is entirely mechanized — no handheld cutting — the mechanized package is the cleaner configuration from day one. For shops running both handheld and mechanized work, the handheld package (K5828-H) covers both applications through the FlexConnect Torch System's quick-change capability.

Industrial cutting at this level is an infrastructure decision as much as an equipment one. If you're specifying a machine for a new shop build, an expanding operation, or a CNC table upgrade, the Canada Welding Supply team can help you match the right machine to your power supply, material specs, and throughput requirements. We carry the full FlexCut industrial lineup and support it with experienced technical staff.

Shop Canada Welding Supply's Industrial Lineup

Ready to spec the right machine for your shop? Browse the full FlexCut industrial plasma cutter lineup, along with consumables, torches, and accessories, at Canada Welding Supply's Plasma Cutting Equipment collection. 

Questions about power requirements, CNC integration, or which model fits your throughput? Reach out to our team — we'll help you get it right the first time.