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.
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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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70° Hand Torch Packages
Thermacut
$1,972.98 - $2,079.95Torch 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 -
70° Torch Body
Thermacut
$762.008-4014 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 -
Lead Set - Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches
Thermacut
$554.18 - $643.58Complete 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 -
70° Hand Torch Packages w/ Quick Disconnect
Thermacut
$2,044.51 - $2,144.72Torch 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 -
90° Torch Body
Thermacut
$754.008-4015 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 -
Plasma Gas Hose (Black ID tape)
Thermacut
$65.85 - $70.00Plasma 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 -
180° In-Line Machine Torch Body
Thermacut
$733.008-4054 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 -
Shield Gas Hose (Yellow ID Tape)
Thermacut
$54.22Shield 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 -
180° Offset Machine Torch Body
Thermacut
$760.008-4016 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 -
Negative Lead (Green ID Tape) - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches
Thermacut
$174.16 - $237.00Negative 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 -
90° Hand Torch Packages w/ Quick Disconnect
Thermacut
$1,812.05 - $2,026.4890° 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 -
90° Hand Torch Package w/ 25' (7.6m) Leads
Thermacut
$1,688.322-2818 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 -
4A Pro Accessory Kit
Arc-Zone Pro
$1,186.00PAW-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 -
4A Starter Kit
Arc-Zone Pro
$950.005-2986 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 -
Positive Lead (Red ID Tape) 1 - for Thermal Dynamics® PWH/M 4A and PWM-300 Plasma Arc Welding Torches
Thermacut
$160.91 - $240.55Positive 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 -
180° Off-Set Torch Package w/ 12.5' (3.8m) Leads
Thermacut
$2,555.712-2482 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 -
Push On Shield Cup w/ Screens
Profax
$14.558-4088 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 -
Thread On Shield Cup w/ Screens
Thermacut
$115.008-4064 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 -
180° Off-Set Torch Packages w/ Quick Disconnect
Thermacut
$1,812.05 - $2,026.48Torch 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 -
Shield Gas Diffuser, for Thread On Cups
Thermacut
$199.998-4040 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 -
180° Offset Torch Packages w/ Quick Connect & Rack
Thermacut
$2,551.34 - $2,638.68PWH/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 -
Long Tips for 4A Plasma Arc Welding Torch (Pack of 10)
Thermacut
$57.50 - $70.00Tips, 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 -
Short Tips for 4A Plasma Arc Welding Torch (Pack of 10)
Thermacut
$47.50Short 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 -
Gasket, Shield Cup - 8-4069 (Pack of 5)
Thermacut
$20.008-4069 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 -
Retaining Collar
Thermacut
$24.008-4024 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 -
O-Ring, Back Cap (Pack of 5)
ABICOR BINZEL
$35.008-0530 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 -
Collet, 3/16" (4.8mm)
Thermacut
$19.009-1876 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 -
Liner, without Gas Distributor
Thermacut
$34.008-4011 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 -
Short Back Cap
Thermacut
$18.088-4158 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 -
Set Back Gauge / Wrench Assembly - 9-1873
Thermacut
$473.009-1873 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 -
Long Back Cap - 9-1877
Thermacut
$43.509-1877 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 -
Liner Assembly w/ Old Style Gas Distributor
Thermacut
$127.008-4012 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 -
4A Gas Distributor - 9-2204
Thermacut
$131.439-22044A 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 -
Protective Cable Lead Cover
Arc-Zone Pro
$60.00 - $82.17Upgraded 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 -
Torch Handle - 9-5914
Thermacut
$464.109-5914 Torch Handle. Arc-Zone Performance Proven Replacement for Thermal Dynamics® PWH/M 4A Plasma Arc Welding Torch.9-5914$464.10 -
180° In-Line Torch Package w/ 25' (7.6m) Leads
Thermacut
$2,358.082-2851 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 -
Tungsten Electrode, 3/16" (4.8mm) (Pack of 10)
Arc-Zone Pro
$139.909-1827 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 -
180° In-Line Torch Packages w/ Quick Disconnect
Thermacut
$2,026.48 - $2,125.78Torch 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 -
Long Tungsten Electrode, 3/16" (4.8m) (Pack of 10)
Diamond Ground
$132.309-1834 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 -
180° In-Line Torch Packages w/ Rack Assembly
Thermacut
$2,174.83 - $2,446.49180° 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