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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

    $1,956.22 - $2,062.27
    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...
    $1,956.22 - $2,062.27
    Qty in Cart: 0
    Price:
    $1,956.22 - $2,062.27
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  • Thermacut 70° Torch Body

    70° Torch Body

    Thermacut

    $740.37
    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
    $740.37
    Qty in Cart: 0
    Quantity:
    Price:
    $740.37
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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

    $2,027.12 - $2,126.47
    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...
    $2,027.12 - $2,126.47
    Qty in Cart: 0
    Price:
    $2,027.12 - $2,126.47
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  • Thermacut 90° Torch Body

    90° Torch Body

    Thermacut

    $732.35
    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
    $732.35
    Qty in Cart: 0
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    $732.35
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  • Thermacut 180° In-Line Machine Torch Body

    180° In-Line Machine Torch Body

    Thermacut

    $712.53
    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)...
    8-4054
    $712.53
    Qty in Cart: 0
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    $712.53
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  • Thermacut 180° Offset Machine Torch Body

    180° Offset Machine Torch Body

    Thermacut

    $770.00
    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
    $770.00
    Qty in Cart: 0
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    $770.00
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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 - $2,009.23
    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 Arc Welding Torch...
    $1,812.05 - $2,009.23
    Qty in Cart: 0
    Price:
    $1,812.05 - $2,009.23
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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

    $861.75
    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
    $861.75
    Qty in Cart: 0
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    $861.75
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  • Arc-Zone Pro 4A Starter Kit

    4A Starter Kit

    Arc-Zone Pro

    $569.44
    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
    $569.44
    Qty in Cart: 0
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    Price:
    $569.44
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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
    Price:
    $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

    $2,688.05
    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...
    2-2482
    $2,688.05
    Qty in Cart: 0
    Quantity:
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    $2,688.05
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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
    Quantity:
    Price:
    $14.55
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  • Thermacut Thread On Shield Cup w/ Screens

    Thread On Shield Cup w/ Screens

    Thermacut

    $112.00
    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
    $112.00
    Qty in Cart: 0
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    Price:
    $112.00
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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 - $2,009.23
    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 - $2,009.23
    Qty in Cart: 0
    Price:
    $1,812.05 - $2,009.23
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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
    Quantity:
    Price:
    $199.99
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  • Thermacut 180° Offset Torch Packages w/ Quick Connect & Rack

    180° Offset Torch Packages w/ Quick Connect & Rack

    Thermacut

    $2,529.67 - $2,616.23
    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...
    $2,529.67 - $2,616.23
    Qty in Cart: 0
    Price:
    $2,529.67 - $2,616.23
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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

    $22.68
    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
    $22.68
    Qty in Cart: 0
    Quantity:
    Price:
    $22.68
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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

    $7.00
    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
    $7.00
    Qty in Cart: 0
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    Price:
    $7.00
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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

    $33.30
    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
    $33.30
    Qty in Cart: 0
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    Price:
    $33.30
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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

    $335.29
    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
    $335.29
    Qty in Cart: 0
    Quantity:
    Price:
    $335.29
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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

    $103.95
    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
    $103.95
    Qty in Cart: 0
    Quantity:
    Price:
    $103.95
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  • Thermacut 4A Gas Distributor - 9-2204

    4A Gas Distributor - 9-2204

    Thermacut

    $95.99
    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
    $95.99
    Qty in Cart: 0
    Quantity:
    Price:
    $95.99
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  • Arc-Zone Pro Protective Cable Lead Cover

    Protective Cable Lead Cover

    Arc-Zone Pro

    $31.00 - $60.00
    Upgraded Protective Cable Lead Cover.  Constructed of Highly-Flexible Ballistic Nylon Material with Shielded Zipper.   Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® Plasma Arc Welding torch cable...
    $31.00 - $60.00
    Qty in Cart: 0
    Price:
    $31.00 - $60.00
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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...
    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
    Subtotal:
  • Thermacut 180° In-Line Torch Packages w/ Quick Disconnect

    180° In-Line Torch Packages w/ Quick Disconnect

    Thermacut

    $2,131.40 - $2,235.87
    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...
    $2,131.40 - $2,235.87
    Qty in Cart: 0
    Price:
    $2,131.40 - $2,235.87
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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

    Thermacut

    $2,174.83 - $2,425.68
    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 Thermal Dynamics® 4A Plasma Arc Welding...
    $2,174.83 - $2,425.68
    Qty in Cart: 0
    Price:
    $2,174.83 - $2,425.68
    Subtotal:
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