To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account
Zip Code should not be blankEmail and Password should not be blank
Enter Delivery Zip Code
or
Log In
TELL US MORE
Are you currently located in California?
8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)
Password cannot contain space
Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.
The ITW Miller/Tregaskiss 404-38-25 is a heavy-duty copper gas diffuser and retaining head designed for high-amperage water-cooled MIG welding systems. As part of the TOUGH LOCK Common Consumables Platform™ (CCP), it is engineered to facilitate efficient gas flow and heat dissipation in automated and semi-automatic welding environments.
Features
Thread-on design reduces vibration and ensures secure fitment
Enhanced heat dissipation properties to extend consumable service life
Mandrel-drawn manufacturing process for precise tolerance control
Lower contact tip operating temperatures when mated with TOUGH LOCK contact tips
Part of the Common Consumables Platform™ for inventory consolidation
Heavy-duty construction for high-duty cycle applications
Specifications
Manufacturer: ITW / Miller (Tregaskiss)
Part Number: 404-38-25
Component Type: Retaining Head / Gas Diffuser
Material: Copper
Amperage Rating: 600 Amps (Standard) / Up to 650 Amps (Peak)
Cooling Type: Water-cooled
Taper Design: Single Taper
Mounting Style: Thread-on
Quantity: 25 per package
Compatibility: Tregaskiss Tough Lock 62 and 64 series water-cooled MIG guns
