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Description
Tweco® 3/64" Standard Contact Tip, 11AH364, Package of 25Tweco 11 Series Heavy Duty Contact Tip accommodates 3 64" wire and is perfect for use with 160 250 A Tweco No. 1 MIG gun as well as specific MIG gun series. Contact tip with excellent electrical properties is ideal for use in heavy duty welding application up to 200 A. It features part number and wire diameter for easy identification. Contact tip is made from extruded or gun drilled 122 DHP copper alloy and machined from a copper alloy tubing to offer
Tweco® 11 Series Heavy Duty Contact Tip accommodates 3/64" wire and is perfect for use with 160 - 250 A Tweco® No.1 MIG gun as well as specific MIG gun series. Contact tip with excellent electrical properties is ideal for use in heavy-duty welding application up to 200 A. It features part number and wire diameter for easy identification. Contact tip is made from extruded or gun-drilled 122 DHP copper alloy and machined from a copper alloy tubing to offer a consistent as well as smooth surface of inside diameter with +/-0.003" tolerance. It has threaded style that ensures proper contact with a gas diffuser when installed to the MIG gun. It comes in slip-on or thread-on nozzle styles with a choice of diameter bore sizes. Contact tip locks in place when twisted and offers better electrical conductivity with increased surface contact. Contact tip features thick-walled design that acts like a heat sink conducting heat away from the arc source. It can be twisted quarter turn clockwise when tip wear point is reached that reveals a new wear point for doubling the life of the tip. Contact tip is sold as 25 per pack.
Features
- Easy identification - each contact tip is marked showing part no and wire diameter
- Excellent electrical properties
- Inside diameter tolerance is held to +/-.003 in
- Threaded style contact tip to ensure proper contact with a gas diffuser when installed to the MIG gun
- Machined from a copper alloy tubing providing a consistent and smooth inside diameter surface
- Twist it and it locks in place
- No threads to worry about
- Increased surface contact between contact tip/diffuser for better electrical conductivity
- Twist it quarter turn clockwise
- Use genuine Tweco® accessories, parts, and consumables to protect the quality of your welds and the life of your gun
- When tip wear point is reached after use, twist it half turn counter-clockwise to expose a new wear point
- This doubles the life of the tip
- Thick-walled diffuser design acts as -œheat sink- and conducts heat away from the arc source
- Increases electrical conductive surface area and thereby increases electrical conductivity
Applications
- Used in standard welding application up to 300 Amp
Specifications
- Country of Origin: United States
- Trade Name: 11AH364
- Consumable Type: Contact Tip
- Series: 11AH Series
- Physical Size: 0.3 x 1 x 0.3
- Wire Size: 3/64"
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
Could be longer in the legs but that’s my preference
Size: X-Large, Color: Set-un2
Very comfortable just wish they were a little longer
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Reviewed in the United States on February 25, 2025
★★★★★ 5
Perfect for my body and fit preference, plus COTTON
Size: X-Large, Color: Set-unbl
Update: Different color packs fit differently. I've purchased two packages, one all-black and one black with the colorful waistbands. The all-black are a little smaller. IMO the all-black run a half to a full size small, and the black with the colorful waistbands run true to size.
Listen, all of our bodies and preferences are so different, but these are perfect for my body and my fit preference. They hit at my bellybutton and I would describe the length as short-boyshorts, but not hipsters. Most importantly, they're cotton, which my body reacts much better to these days.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Good quality
Size: Medium, Color: Set-unbl
They fit perfectly and seem well made
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Will be buying more
Size: X-Large, Color: Set-unbl
LOVE THESE!
They’re so comfortable and stretchy.
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Reviewed in the United States on April 24, 2026
★★★★★ 3
They're ok
Size: Large, Color: Set-mu2
These are ok. I'm 5'6", 150lbs. I got a large. The colors are fun. The waist band is comfortable, fits well, doesn't dig in, and sits high enough to not affect a my C-section scar, but they constantly ride up.
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Reviewed in the United States on March 12, 2026