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ESAB

ST-21 Water-Cooled GMAW Gun

How to purchase ST-21 Water-Cooled GMAW Gun

We're as eager to put ESAB gear in your hands as you are to have it. That's why we sell our products with distributors who'll give you the attention, support, and value you deserve. Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below. As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet. And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site. Alternatively, you can call our support line at 1-800-ESAB-123 and we'll point you in the right direction.

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Part Numbers and Accessories

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Part Numbers: ST-21 Water-Cooled GMAW Gun
ST-21 Water-Cooled GMAW Gun, 12 ft. (3.6 m) 995950

Accessories: ST-21 Water-Cooled GMAW Gun
Gas Meter (measures gas flow at the gun) 19043
Power Cable Adaptor 45V11
Contact Tip, .030 in. (0.8 mm) 0.037 Inside Diameter, Long 20123
Contact Tip, .030 in. (0.8 mm) 0.037 Inside Diameter, Short 632791
Contact Tip, .035 in. (0.9 mm) 0.043 Inside Diameter, Long 632794
Contact Tip, .035 in. (0.9 mm) 0.043 Inside Diameter, Short 632793
Contact Tip, 1/16 in. (1.6 mm) 0.073 Inside Diameter, Long 37282
Contact Tip, 1/16 in. (1.6 mm) 0.073 Inside Diameter, Short 37281
Contact Tip, 1/16 in. (1.6 mm) 0.078 Inside Diameter, Long 632798
Contact Tip, 1/16 in. (1.6 mm) 0.078 Inside Diameter, Short 632797
Contact Tip, 3/32 in. (2.4 mm) 0.107 Inside Diameter, Short 632800
Contact Tip, 3/64 in. (1.2 mm) 0.061 Inside Diameter, Long 632796
Contact Tip, 3/64 in. (1.2 mm) 0.061 Inside Diameter, Short 632795
Contact Tip, 5/64 in. (2.0 mm) 0.090 Inside Diameter, Short 37284
Contact Tip, 5/64 in. (2.0 mm) 0.094 Inside Diameter, Short 632799
Contact Tip, 7/64 in. (2.8 mm) 0.123 Inside Diameter, Short 633611
Contact Tip,.040 in. (1.0 mm) 0.048 Inside Diameter, Long 37276
Contact Tip,.040 in. (1.0 mm) 0.048 Inside Diameter, Short 37275
Contact Tip,.045 in. (1.2 mm) 0.054 Inside Diameter, Long 37279
Contact Tip,.045 in. (1.2 mm) 0.054 Inside Diameter, Short 37278
.035 in. (0.9 mm), 10ft. Conduit, Aluminum 633578
.035 in. (0.9 mm), ST-16 Jumper Liner, Aluminum 636877**
.045 in. (1.2 mm), 10ft. Conduit, Hard and Flux-Cored Wire 633456
.045 in. (1.2 mm), ST-16 Jumper Liner, Hard and Flux-Cored Wire 993823
1/16 in. (1.6 mm), 10ft. Conduit, Aluminum 634777
1/16 in. (1.6 mm), ST-16 Jumper Liner, Aluminum 636879
3/32 in. (2.4 mm), 10ft. Conduit, Aluminum 46V68
3/32 in. (2.4 mm), 10ft. Conduit, Hard and Flux-Cored Wire 598922
3/32 in. (2.4 mm), ST-16 Jumper Liner, Hard and Flux-Cored Wire 598927
5/64 in. (2.0 mm), 10ft. Conduit, Hard and Flux-Cored Wire 598806
Centering Bushing 17782
Contact Tip, 1/16 in. (1.6 mm), 0.073 ID, Contact Tube 37283
Contact Tip, 1/16 in. (1.6 mm), 0.078 ID, Contact Tube 996106
Contact Tip, 3/32 in. (2.4 mm), 0.107 ID, Contact Tube 996108
Contact Tip, 3/64 in. (1.2 mm), 0.058 ID, Contact Tube 996105
Contact Tip, 5/64 in. (2.0 mm), 0.094 ID, Contact Tube 996107
Contact Tip,.035 in. (0.9 mm), 0.043 ID, Contact Tube 996104
Contact Tip,.052 in. (1.4 mm), 0.062 ID, Contact Tube 996816
Gas Nozzle, Size 10, 5/8 in. ID 598721*
Gas Nozzle, Size 12 Long, 3/4 in. ID 639756
Gas Nozzle, Size 12 Medium, 3/4 in. ID 997310
Gas Nozzle, Size 12, 3/4 in. ID 633985
Gas Nozzle, Size 8, 1/2 in. ID 598739*
Spatter Liner 633603

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