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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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
$103.958-4012 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 -
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 -
3A Shield Cup Gasket (Pack of 10)
Thermacut
$20.008-3057 Priced & Sold as a Pack of 10. Gasket, Shield Cup. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch.8-3057$20.00 -
Shield Gas Diffuser
Thermacut
$18.508-3059 Shield Gas Diffuser. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.8-3059$18.50 -
O-Ring, Back Cap (Pack of 10)
Thermacut
$13.508-0527 Priced & Sold as a Pack of 10. O-Ring, Back Cap. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch.8-0527$13.50 -
Protective Cable Lead Cover
Arc-Zone Pro
$31.00 - $60.00Upgraded 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 -
2A Gas Distributor
Thermacut
$69.00 - $105.00Gas Distributor 2A Gas Distributor .040" (1.0mm) or 3/32" (2.4mm) Electrodes. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch. Priced and Sold Individually.$69.00 - $105.00 -
Collet, 3/32" (2.4mm) for 3A
Thermacut
$14.009-1780 Electrode Collet, 3/32" (2.4mm). Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1780$14.00 -
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 -
Shield Cup Gasket (Pack of 5)
Thermacut
$30.508-2036 Priced & Sold as a Pack of 5. Gasket, Shield Cup. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch.8-2036$30.50 -
O-Ring - 8-2035 (Pack of 10)
Thermacut
$20.008-2035 Priced & Sold as a Pack of 10. O-Ring, Back Cap. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch.8-2035$20.00 -
OEM Torch Handle
Arc-Zone Pro
$299.998-2026 (Replaces 8-2134) 2A OEM Style Small I.D. Torch Handle. Small I.D. handle design makes it difficult to install PAW hose and cables without damaging expensive hose lead sets. Step up your 2A torch Performance and Lower Maintenance...8-2026$299.99 -
Machine Barrel Step-up Adapter for 2A PAW Torches
Arc-Zone Pro
$21.98Machine Barrel Step-up Adapter for 2A PAW Torches (for use with large 9-1757 handle) Machine barrel handle adapter for the 2A PAW series torch bodies, requires handle 9-1757. This is a Genuine Arc-Zone® Performance...9-5557$21.98 -
New Improved 2A Torch Handle Kit
Arc-Zone Pro
$69.008-2026-Pro (Replaces 8-2026 &8-2134) Handle, New Improved Handle Upgrade Kit. Kit includes a Step-up Torch Body Bushing, and Handle that makes cable & hose installation a breeze. If you've ever removed...8-2026-Pro$69.00 -
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...2-2851$2,358.08 -
Tungsten Electrode, 3/32" (2.4mm) (Pack of 10)
Arc-Zone Pro
$65.409-1747 Priced & Sold in Packages of 10. Precision Ground PAW Electrodes, 3/32" (2.4mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc...9-1747$65.40 -
.040" (1.0mm) Collet - 8-2041 (Pack of 10)
Thermacut
$67.508-2041 Priced & Sold in Packages of 10. Collet, for .040" (1.0mm) Electrode. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch.8-2041$67.50 -
3/32" (2.4mm) Collet - 8-2039
Thermacut
$17.838-2039 Collet, for 3/32" (2.4mm) Electrode. This is a Genuine Arc-Zone® Performance Proven™ Replacement for Thermal Dynamics® PWH/M 2A Plasma Arc Welding Torch. Priced and Sold Individually.8-2039$17.83 -
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 -
O-Ring (Pack of 5)
Thermacut
$17.409-2863 Priced & Sold in Packages of 5O-Ring, for use on constricting Tips. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch.9-2863$17.40 -
180° In-Line Torch Packages w/ Quick Disconnect
Thermacut
$2,131.40 - $2,235.87Torch 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 -
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
Thermacut
$2,174.83 - $2,425.68Torch 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 -
Long Tungsten Electrode, 3/32" (2.4mm) (Pack of 10)
Arc-Zone Pro
$49.908-2007 Priced & Sold in Packages of 10. Long, Precision Ground PAW Electrodes, 3/32" (2.4mm) x 2.650" (67.31mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for Thermal...8-2007$49.90 -
Machine Barrel Mounting Nut
Arc-Zone Pro
$68.008-4018 High-Quality Composite Mounting Nut. For machine mounting barrels 2A, 3A, 4A, & PWM-300 Thermal Dynamics® plasma arc welding torches. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® Plasma...8-4018$68.00 -
Extra Long Tungsten Electrode, 3/32" (2.4mm) (Pack of 10)
Arc-Zone Pro
$51.009-1775 Priced & Sold in Packages of 10. Extra Long, Precision Ground PAW Electrodes, 3/32" (2.4mm) x 3.400" (86.3mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for Thermal...9-1775$51.00 -
Long Double-End Ground Electrode, 3/32" (2.4mm) (Pack of 10)
Arc-Zone Pro
$61.508-2007-D Priced & Sold in Packages of 10. Long -- Double End -- Precision Ground PAW Electrodes, 3/32" (2.4mm) x 2.650" (67.31mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement for...8-2007-D$61.50 -
Extra Long Double-End Ground Electrode, 3/32" (2.4mm) (Pack of 10)
Arc-Zone Pro
$56.009-1775-D Priced & Sold in Packages of 10. Extra Long -- Double End -- Precision Ground PAW Electrodes, 3/32" (2.4mm) x 3.400" (86.3mm). AMPLIFY™ High-Performance 2% Thoriated Tungsten. Arc-Zone Performance Proven™ Replacement...9-1775-D$56.00 -
180° In-Line Torch Packages w/ Quick Connect & Rack
Thermacut
$2,431.22 - $2,526.42Torch Package, 180 Degree In-Line Machine Torch Body with 12.5' (3.8m) or 25' (7.6m) Lead Set, Mounting Barrel / Rack Assembly and Quick-Disconnect Installed. This is a Genuine Arc-Zone Performance Proven™ Replacement for Thermal...$2,431.22 - $2,526.42 -
Shield Cup - 8-4373
Thermacut
$26.658-4373 Shield Cup. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch. Priced and Sold Individually.8-4373$26.65 -
Short Back Cap, Standard Electrode
Thermacut
$22.009-1779 Back Cap, Short. For Standard Length Electrodes. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1779$22.00 -
Long Back Cap, Extended Electrodes
Thermacut
$28.009-1803 Long Back Cap. For Extended Electrodes. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1803$28.00 -
Set Back Gauge / Wrench Assembly - 9-1810
Thermacut
$98.009-1810 Electrode Set-Back Gauge and Wrench Assembly. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH/M 3A Plasma Arc Welding Torch. Priced and Sold Individually.9-1810$98.00 -
Gasket, Shield Cup - 8-6512 (Pack of 5)
Thermacut
$13.758-6512 Priced & Sold in Packages of 5Gasket, Shield Cup. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch.8-6512$13.75 -
Shield Cup Diffuser
Thermacut
$128.008-6652 Shield Cup Diffuser. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch. Priced and Sold Individually.8-6652$128.00 -
Liner - 8-6509
Thermacut
$42.008-6509 Liner. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch. Priced and Sold Individually.8-6509$42.00 -
O-Ring, Liner (Pack of 5)
Thermacut
$17.409-2956 Priced & Sold in Packages of 5O-Ring, for use on Liner assembly. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWM 300 Plasma Arc Welding Torch.9-2956$17.40 -
3A PAW Torch Handle
Arc-Zone Pro
$46.009-1757 New Improved Handle For PWH 3A Torch Bodies. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® PWH 3A Plasma Arc Welding Torch.9-1757$46.00 -
Mounting Tube Cable Bushing w/ Strain Relief
Arc-Zone Pro
$59.008-4204 Cable Bushing with Strain Relief. Arc-Zone Performance Proven™ Replacement for Thermal Dynamics® 2A, 3A, 4A & PWM-300 Plasma Arc Welding Torches. Cable bushing for Thermal Dynamics plasma arc welding machine...8-4204 1$59.00