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TWECO Nozzle: 3/8 in Bore Dia, Tapered, 1/8 to 5/32 in Tip Recess, WS21T-37, WS21T - 21 Series Nozzles
TWECO21 Series Nozzles

TWECO Nozzle: 3/8 in Bore Dia, Tapered, 1/8 to 5/32 in Tip Recess, WS21T-37, WS21T

The TWECO 21 Series Nozzle (SKU 2URP9, MPN 12101343) is a self-insulated, tapered nozzle with a 3/8 in bore diameter and a 1/8 to 5/32 in tip recess. Supplied as a 2-pack, the model WS21T-37 (WS21T) is designed for…

SKU 3G-OTH-417916

Brand
TWECO
Item
Nozzle: 3/8 in Bore Dia, Tapered, 1/8 to 5/32 in Tip Recess, WS21T-37, WS21T
Category
21 Series Nozzles
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Technical Specifications

TWECO
Manufacturer Part Number
12101343
Type
Tapered, WS21T-37, WS21T, 2 PK
Tip Recess
1/8 to 5/32 in
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TWECO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TWECO 21 Series Nozzle (SKU 2URP9, MPN 12101343) is a self-insulated, tapered nozzle with a 3/8 in bore diameter and a 1/8 to 5/32 in tip recess. Supplied as a 2-pack, the model WS21T-37 (WS21T) is designed for use with TWECO welding equipment.

Frequently Asked Questions

What is the TWECO 21 Series Nozzle used for?

The TWECO 21 Series Nozzle is used in MIG welding to direct shielding gas and protect the contact tip. Its tapered, self-insulated design suits industrial fabrication and repair applications where consistent gas coverage and tip protection are required.

What are the specifications of the TWECO Nozzle 12101343?

The TWECO Nozzle 12101343 has a 3/8 in bore diameter, tapered profile, and 1/8 to 5/32 in tip recess. It is self-insulated, model WS21T-37 (WS21T), and supplied as a 2-pack. This nozzle is designed for TWECO welding equipment.

Where to buy TWECO Nozzle 12101343 worldwide?

You can source the TWECO Nozzle 12101343 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the nozzle reaches your facility reliably.

How to select the correct TWECO nozzle for a MIG torch?

Select a TWECO nozzle by matching the bore diameter to your contact tip size and the thread type to your torch. For the 21 Series, the 3/8 in bore and tapered design suit standard MIG applications. Verify compatibility with your TWECO torch model before ordering.

Used in

Common applications for TWECO
General fabrication – TWECO 24 Series nozzles (WS24CT) for MIG welding of mild steel in structural applications.
Automotive repair – TWECO 22 Series bottleneck nozzles (22-50) for access in tight spaces during body panel welding.
Heavy equipment maintenance – TWECO 16 Series contact tips (16S-45) for 0.045 in wire in repair of machinery components.
Aluminum welding – TWECO SG200REB spool gun for feeding 3/64 in aluminum wire in argon-shielded applications.
High-volume production – TWECO gas diffusers (WM150) for consistent gas coverage on Spray Master 250 guns in manufacturing lines.
Pipe welding – TWECO 14 Series contact tips (WS14A364) for 3/64 in wire in orbital or manual pipe joints.

TWECO Products

3G Electric supplies TWECO 21 series nozzles. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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