Welding (PAW)

Welding (PAW)

Lower Costs, Minimize Downtime with the Highest-Quality Plasma Arc Welding Torches & Parts

Plasma arc welding is a precise process, the slightest variations in front end part tolerances will result in poor weld quality, premature torch body failure and other problems that cost you money.  

Arc-Zone® delivers the parts you need, when you need them. We work with your production team, tool crib manager or welding engineers to ensure easy access to the highest-quality Plasma Arc Welding products and services on the planet.

Learn More: 

  • Optimize Your Plasma Arc Welding Torch: .pdf
  • Thermal Arc® Ultima 150: .pdf

Arc-Zone.com®, Inc. is not affiliated with Thermal Dynamics Corporation. We supply high quality replacement parts manufactured by or for Arc-Zone® to demanding specifications. The parts are engineered to be interchangeable with Thermal Dynamics® parts, are not OEM parts and are not endorsed by Thermal Dynamics®. Thermal Dynamics® is a registered trademark of Thermal Dynamics Corporation.

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  • Thermacut 70° Hand Torch Packages

    70° Hand Torch Packages

    Thermacut

    $1,972.98 - $2,079.95
    Torch Package, 70 Degree Torch Body with 12.5' (3.8m) or 25' (7.6m) Leads. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch. Specifications:   Part...
    $1,972.98 - $2,079.95
    Qty in Cart: 0
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    $1,972.98 - $2,079.95
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  • Thermacut 70° Torch Body

    70° Torch Body

    Thermacut

    $762.00
    8-4014 Torch Body, 70° Degree Head, Water-Cooled. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH 4A Plasma Arc Welding Torch. Specifications: Rated Output DC: 200 Amps 100% Duty Cycle Tungsten Electrode...
    8-4014
    $762.00
    Qty in Cart: 0
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    $762.00
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  • Thermacut Lead Set - Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches Thermacut Lead Set - Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches

    Lead Set - Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches

    Thermacut

    $554.18 - $643.58
    Complete Torch Lead Set, 12.5' (3.8m) or 25' (7.6m).   Water-Cooled Positive (Red ID Tape) and Negative (Green ID Tape) Power Cables, Plasma Gas (Black ID tape) and Shield Gas (Yellow ID tape), Bundle in a...
    $554.18 - $643.58
    Qty in Cart: 0
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    $554.18 - $643.58
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  • Thermacut 70° Hand Torch Packages w/ Quick Disconnect

    70° Hand Torch Packages w/ Quick Disconnect

    Thermacut

    $2,044.51 - $2,144.72
    Torch Package, 70 Degree Torch Body with 12.5' (3.8m) or 25' (7.6m) Leads and Quick-Disconnect Installed. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch...
    $2,044.51 - $2,144.72
    Qty in Cart: 0
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    $2,044.51 - $2,144.72
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  • Thermacut 90° Torch Body

    90° Torch Body

    Thermacut

    $754.00
    8-4015 Torch Body, 90° Degree Head, Water-Cooled. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH 4A Plasma Arc Welding Torch. Specifications: Rated Output DC: 200 Amps 100% Duty Cycle Tungsten Electrode...
    8-4015
    $754.00
    Qty in Cart: 0
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    $754.00
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  • Thermacut Plasma Gas Hose (Black ID tape) Thermacut Plasma Gas Hose (Black ID tape)

    Plasma Gas Hose (Black ID tape)

    Thermacut

    $65.85 - $70.00
    Plasma Gas Hose (Black ID tape) 12.5' (3.8m) or 25' (7.6m).  Arc-Zone Performance Proven Replacement Lead for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches.
    $65.85 - $70.00
    Qty in Cart: 0
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    $65.85 - $70.00
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  • Thermacut 180° In-Line Machine Torch Body

    180° In-Line Machine Torch Body

    Thermacut

    $733.00
    8-4054 180° In-Line Machine Torch Body. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 4A Plasma Arc Welding Torch. Note: Pinion Gear Rack Adjustment Option Available. Torch Adjustment Range: 11-1/4" (286mm) Min. to 19"...
    8-4054
    $733.00
    Qty in Cart: 0
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    $733.00
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  • Thermacut Shield Gas Hose (Yellow ID Tape) Thermacut Shield Gas Hose (Yellow ID Tape)

    Shield Gas Hose (Yellow ID Tape)

    Thermacut

    $54.22
    Shield Gas Hose (Yellow ID tape) 12.5' (3.8m) or 25' (7.6m).  Arc-Zone Performance Proven Replacement Lead for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches.
    $54.22
    Qty in Cart: 0
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    $54.22
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  • Thermacut 180° Offset Machine Torch Body

    180° Offset Machine Torch Body

    Thermacut

    $760.00
    8-4016 180° Offset Machine Torch Body. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 4A Plasma Arc Welding Torch. Note: Pinion Gear Rack Adjustment Option Available. Torch Adjustment Range: 11-1/4" (286mm) Min. to 19"...
    8-4016
    $760.00
    Qty in Cart: 0
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    $760.00
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  • Thermacut Negative Lead (Green ID Tape) - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches Thermacut Negative Lead (Green ID Tape) - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches

    Negative Lead (Green ID Tape) - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches

    Thermacut

    $174.16 - $237.00
    Negative Lead (Green ID tape) 12.5' (3.8m) or 25' (7.6m). Arc-Zone Performance Proven Replacement Lead for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches.
    $174.16 - $237.00
    Qty in Cart: 0
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    $174.16 - $237.00
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  • Thermacut 90° Hand Torch Packages w/ Quick Disconnect

    90° Hand Torch Packages w/ Quick Disconnect

    Thermacut

    $1,812.05 - $2,026.48
    90° Hand Torch Packages w/ Quick Disconnect Torch Package, 90 Degree Torch Body with 12.5' (3.8m) or 25' (7.6m) Leads and Quick Disconnect Installed. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma...
    $1,812.05 - $2,026.48
    Qty in Cart: 0
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    $1,812.05 - $2,026.48
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  • Thermacut 90° Hand Torch Package w/ 25' (7.6m) Leads

    90° Hand Torch Package w/ 25' (7.6m) Leads

    Thermacut

    $1,688.32
    2-2818 Torch Package, 90 Degree Torch Body with 25' (7.6m) Leads. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch. Torch Setup & Operation Guides: Optimize Your Plasma Arc...
    2-2818
    $1,688.32
    Qty in Cart: 0
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    $1,688.32
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  • Arc-Zone Pro 4A Pro Accessory Kit

    4A Pro Accessory Kit

    Arc-Zone Pro

    $1,186.00
    PAW-4A-PRO Pro Parts Kit for 4A Plasma Arc Series Torches.  The ultimate box of high-performance 4A torch parts.  Everything you need to setup your plasma arc welding machine to get the best quality welds, for a variety...
    PAW-4A-PRO
    $1,186.00
    Qty in Cart: 0
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    $1,186.00
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  • Arc-Zone Pro 4A Starter Kit

    4A Starter Kit

    Arc-Zone Pro

    $950.00
    5-2986 Starter Accessory Kit.   Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torches. Kit Includes:  1ea. Thread-On Shield Cup 5ea. Long Tips, .062" (1...
    5-2986
    $950.00
    Qty in Cart: 0
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    $950.00
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  • Thermacut Positive Lead (Red ID Tape) 1 - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches Thermacut Positive Lead (Red ID Tape) 1 - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches

    Positive Lead (Red ID Tape) 1 - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches

    Thermacut

    $160.91 - $240.55
    Positive Lead (Red ID tape) 12.5' (3.8m) or 25' (7.6m).  Arc-Zone Performance Proven Replacement Lead for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches.
    $160.91 - $240.55
    Qty in Cart: 0
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    $160.91 - $240.55
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  • Thermacut 180° Off-Set Torch Package w/ 12.5' (3.8m) Leads

    180° Off-Set Torch Package w/ 12.5' (3.8m) Leads

    Thermacut

    $2,555.71
    2-2482 Torch Package, Offset 180 Degree Machine Torch Body with 12.5' (3.8m) Leads. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch. Torch Setup & Operations Guides: Optimize...
    2-2482
    $2,555.71
    Qty in Cart: 0
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    $2,555.71
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  • Profax Push On Shield Cup w/ Screens

    Push On Shield Cup w/ Screens

    Profax

    $14.55
    8-4088 Push on Shield Cup with Screens.  Use Push on Cup Adapter Part No. 8-4087.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Priced and Sold Individually.
    8-4088
    $14.55
    Qty in Cart: 0
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    $14.55
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  • Thermacut Thread On Shield Cup w/ Screens

    Thread On Shield Cup w/ Screens

    Thermacut

    $115.00
    8-4064 Thread on Shield Cup with screens.  Use with Thread-on Cup Adapter Part No. 8-4040.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch.
    8-4064
    $115.00
    Qty in Cart: 0
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    $115.00
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  • Thermacut 180° Off-Set Torch Packages w/ Quick Disconnect

    180° Off-Set Torch Packages w/ Quick Disconnect

    Thermacut

    $1,812.05 - $2,026.48
    Torch Package, Offset 180 Degree Machine Torch Body with 12.5' (3.8m) or 25' (7.6m) Leads and Quick Disconnect Installed. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch...
    $1,812.05 - $2,026.48
    Qty in Cart: 0
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    $1,812.05 - $2,026.48
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  • Thermacut Shield Gas Diffuser, for Thread On Cups

    Shield Gas Diffuser, for Thread On Cups

    Thermacut

    $199.99
    8-4040 Shield Gas Diffuser, Threaded.  Use with Thread-On Nozzle Part No. 8-4064.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Priced and Sold Individually.
    8-4040
    $199.99
    Qty in Cart: 0
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    $199.99
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  • Thermacut 180° Offset Torch Packages w/ Quick Connect & Rack

    180° Offset Torch Packages w/ Quick Connect & Rack

    Thermacut

    $2,551.34 - $2,638.68
    PWH/M 4A Torch Package, 180 Degree Offset Machine Torch Body with Lead Set, Mounting Barrel, Rack Assembly and Quick-Disconnect Installed. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding...
    $2,551.34 - $2,638.68
    Qty in Cart: 0
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    $2,551.34 - $2,638.68
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  • Thermacut Long Tips for 4A Plasma Arc Welding Torch (Pack of 10)

    Long Tips for 4A Plasma Arc Welding Torch (Pack of 10)

    Thermacut

    $57.50 - $70.00
    Tips, Long for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch.  Arc-Zone Performance Proven™ Replacement Priced & Sold as a Pack of 10. Part # Tip Size Amps 9-1890 .062" (1.57mm) 100 Amps 9-1891 .093" (2...
    $57.50 - $70.00
    Qty in Cart: 0
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    $57.50 - $70.00
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  • Thermacut Short Tips for 4A Plasma Arc Welding Torch (Pack of 10) Thermacut Short Tips for 4A Plasma Arc Welding Torch (Pack of 10)

    Short Tips for 4A Plasma Arc Welding Torch (Pack of 10)

    Thermacut

    $47.50
    Short Tips for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Arc-Zone Performance Proven™ Replacement. Priced & Sold as a Pack of 10. Part # Tip Size Amps 9-1848 .093" (2.36mm) 180 Amps 9-1849 .125" (3...
    $47.50
    Qty in Cart: 0
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    $47.50
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  • Thermacut Gasket, Shield Cup - 8-4069 (Pack of 5) Thermacut Gasket, Shield Cup - 8-4069 (Pack of 5)

    Gasket, Shield Cup - 8-4069 (Pack of 5)

    Thermacut

    $20.00
    8-4069 Priced & Sold as a Pack of 5.Shield Cup Gasket.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch.
    8-4069
    $20.00
    Qty in Cart: 0
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    $20.00
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  • Thermacut Retaining Collar

    Retaining Collar

    Thermacut

    $24.00
    8-4024 Retaining Collar.  For 4A Plasma Arc Torch Body. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Priced and Sold Individually.
    8-4024
    $24.00
    Qty in Cart: 0
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    $24.00
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  • ABICOR BINZEL O-Ring, Back Cap (Pack of 5) ABICOR BINZEL O-Ring, Back Cap (Pack of 5)

    O-Ring, Back Cap (Pack of 5)

    ABICOR BINZEL

    $35.00
    8-0530 Priced & Sold as a Pack of 5. O-Ring, Back Cap.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch.
    8-0530
    $35.00
    Qty in Cart: 0
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    $35.00
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  • Thermacut Collet, 3/16" (4.8mm)

    Collet, 3/16" (4.8mm)

    Thermacut

    $19.00
    9-1876 Collet, 3/16" (4.8mm).  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Priced and Sold Individually.
    9-1876
    $19.00
    Qty in Cart: 0
    Quantity:
    Price:
    $19.00
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  • Thermacut Liner, without Gas Distributor

    Liner, without Gas Distributor

    Thermacut

    $34.00
    8-4011 Liner, with O-Rings.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Note: For extended torch life use Updated 9-2204 Gas Distributor with 8-4011 Liner. ...
    8-4011
    $34.00
    Qty in Cart: 0
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    $34.00
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  • Thermacut Short Back Cap

    Short Back Cap

    Thermacut

    $18.08
    8-4158 Short Back Cap.  Use with Short Electrodes.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Priced and Sold Individually.
    8-4158
    $18.08
    Qty in Cart: 0
    Quantity:
    Price:
    $18.08
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  • Thermacut Set Back Gauge / Wrench Assembly - 9-1873

    Set Back Gauge / Wrench Assembly - 9-1873

    Thermacut

    $473.00
    9-1873 Set-Back Gauge and Wrench Assembly.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Priced and Sold Individually.
    9-1873
    $473.00
    Qty in Cart: 0
    Quantity:
    Price:
    $473.00
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  • Thermacut Long Back Cap - 9-1877

    Long Back Cap - 9-1877

    Thermacut

    $43.50
    9-1877 Long Back Cap.  Use with Extended Electrodes.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Priced and Sold Individually.
    9-1877
    $43.50
    Qty in Cart: 0
    Quantity:
    Price:
    $43.50
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  • Thermacut Liner Assembly w/ Old Style Gas Distributor

    Liner Assembly w/ Old Style Gas Distributor

    Thermacut

    $127.00
    8-4012 Liner Assembly with O-Rings.  Old style with "Short" Gas Distributor.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Note: For extended torch life use...
    8-4012
    $127.00
    Qty in Cart: 0
    Quantity:
    Price:
    $127.00
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  • Thermacut 4A Gas Distributor - 9-2204

    4A Gas Distributor - 9-2204

    Thermacut

    $131.43
    9-22044A Gas Distributor, Insulating Sleeve.  Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch. Note: For extended torch life use Updated 9-2204 Gas Distributor with 8-4011 Liner...
    9-2204
    $131.43
    Qty in Cart: 0
    Quantity:
    Price:
    $131.43
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  • Arc-Zone Pro Protective Cable Lead Cover

    Protective Cable Lead Cover

    Arc-Zone Pro

    $60.00 - $82.17
    Upgraded Protective Cable Lead Cover (Select Length From Options Above) Constructed of Highly-Flexible Ballistic Nylon Material with Shielded Zipper. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® Plasma Arc Welding torch cable...
    $60.00 - $82.17
    Qty in Cart: 0
    Quantity:
    Price:
    $60.00 - $82.17
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  • Thermacut Torch Handle - 9-5914

    Torch Handle - 9-5914

    Thermacut

    $464.10
    9-5914 Torch Handle.  Arc-Zone Performance Proven Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch.
    9-5914
    $464.10
    Qty in Cart: 0
    Quantity:
    Price:
    $464.10
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  • Thermacut 180° In-Line Torch Package w/ 25' (7.6m) Leads

    180° In-Line Torch Package w/ 25' (7.6m) Leads

    Thermacut

    $2,358.08
    2-2851 Torch Package, In-Line 180 Degree Machine Torch Body with 25' (7.6m) Leads. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch. Torch Setup & Operation Guides: Optimize Your...
    2-2851
    $2,358.08
    Qty in Cart: 0
    Quantity:
    Price:
    $2,358.08
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  • Arc-Zone Pro Tungsten Electrode, 3/16" (4.8mm) (Pack of 10) Arc-Zone Pro Tungsten Electrode, 3/16" (4.8mm) (Pack of 10)

    Tungsten Electrode, 3/16" (4.8mm) (Pack of 10)

    Arc-Zone Pro

    $139.90
    9-1827 Priced & Sold as a Pack of 10. Precision Ground Tungsten Electrodes, 3/16" (4.8mm) Diameter x 3.560" (90.4mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten.  Arc-Zone Performance Proven™ Replacement for Thermal...
    9-1827
    $139.90
    Qty in Cart: 0
    Quantity:
    Price:
    $139.90
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  • Thermacut 180° In-Line Torch Packages w/ Quick Disconnect

    180° In-Line Torch Packages w/ Quick Disconnect

    Thermacut

    $2,026.48 - $2,125.78
    Torch Package, In-Line 180 Degree Machine Torch Body with 12.5' (3.8m) or 25' (7.6m) Leads and Quick Disconnect Installed. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 4A Plasma Arc Welding Torch...
    $2,026.48 - $2,125.78
    Qty in Cart: 0
    Quantity:
    Price:
    $2,026.48 - $2,125.78
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  • Diamond Ground Long Tungsten Electrode, 3/16" (4.8m) (Pack of 10) Diamond Ground Long Tungsten Electrode, 3/16" (4.8m) (Pack of 10)

    Long Tungsten Electrode, 3/16" (4.8m) (Pack of 10)

    Diamond Ground

    $132.30
    9-1834 Priced & Sold as a Pack of 10. Extended, Precision Ground Tungsten Electrode. 3/16" (4.8mm) Diameter x 4.375" (111mm) Long.  AMPLIFY™ High-Performance 2% Thoriated Tungsten.  Arc-Zone Performance Proven™...
    9-1834
    $132.30
    Qty in Cart: 0
    Quantity:
    Price:
    $132.30
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  • Thermacut 180° In-Line Torch Packages w/ Rack

    180° In-Line Torch Packages w/ Rack Assembly

    Thermacut

    $2,174.83 - $2,446.49
    180° In-Line Torch Packages w/ Rack Assembly Torch Package, 180 Degree, In Line Machine Torch Body with 12.5' (3.8m) or 25' (7.6m) Lead Set and Mounting Barrel / Rack Assembly. This is a Genuine Arc-Zone Performance Proven™ Replacement for...
    $2,174.83 - $2,446.49
    Qty in Cart: 0
    Quantity:
    Price:
    $2,174.83 - $2,446.49
    Subtotal:
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