• Used in light to medium duty welding application up to 180 amperes
• 3-piece nozzle design includes: Nozzle Housing - Cut and Formed from 122 DHP copper alloy tubing
• Nozzle Insert - machined from a solid brass allow and machining the internal threads to match the gas diffuser
• Nozzle insulator - made from G7 silicone material, providing the electrical insulation needed from the gas diffuser
• Easy identification - Part No. rolled stamped on the outside surface
• Tapered nozzle 3-piece design - does not require an additional insulator
• Nozzle threads onto the gas diffuser
• 1/8" to 5/32" Tip Recess

Brand

TWECO

Nozzle Series

WS21

For MIG Gun Series

• Classic No. 1
• Mini-MIG 160
• Spray Master 250

Bore Diameter

1/2 in

Nozzle Shape

Conical

Duty Rating

Standard Duty

Nozzle to Tip Relationship

1/8 to 5/32 in Tip Recess

Material

Copper

Connection Type

Threaded

Insulation Type

Self-Insulated

For Contact Tip Series

• WS11
• WS14

Nozzle Number

WS21-50

Compatible with Brand

Tweco

For MIG Gun Model

110-3035; 110-4045; 112-3035; 112-4045; 115-3035; 115-4045; 120-3035; 120-4045; 35-10; 35-12; 35-15; L115-3035; L35-10; L35-12; L35-15; L35-15PM; M110-3035; M112-3035; M115-3035; M23-10; M35-10; M35-12; M35-15; MS210M-3545; MS212-3545; MS212E-3545; MS212L-3545; MS212M-3545; MS212X-3545; MS215-3545; MS215E-3545; MS215M-3545; MS215M-3545EL; MS215X-3545; MS220-3545; MS220M-3545; MS225-3545; MS225M-3545; MS225X-3545; X23-10; X35-10; X35-12; X35-15

Process

MIG Welding (GMAW)

Manufacturer Part Number

12101341

For Gas Diffuser Number

35-50; 51

Maximum Amperage

100 A

Outside Diameter

0.75

Nozzle Design

3-Piece

Connection Size

3/4 in

UNSPSC

23171538

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