We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Brass slip-on retaining head with single taper TOUGH LOCK design

TREGASKISS

TREGASKISS 404-30-25 Retaining Head Slip-On Single Taper TOUGH LOCK Welding

SKU CH-ZQJZ-BJ53E

Slip-on brass retaining head for TOUGH LOCK MIG guns, handles 0.023–0.125 in wire

  • TypeTools
  • TOUGH LOCK series compatibility ensures reliable MIG welding performance
  • Slip-on connection enables quick changeover on robotic air-cooled and water-cooled guns
  • Brass construction delivers heavy-duty durability for demanding applications
  • Supports wire diameters from .023 to .125 in for versatile welding tasks
  • Gas diffuser number 404-30-25 matches TOUGH LOCK consumable system precisely

TREGASKISS TOUGH LOCK Retaining Head

The TREGASKISS 404-30-25 is a slip-on retaining head built for the TOUGH LOCK series. It fits Tregaskiss robotic air-cooled and water-cooled MIG guns and is made from brass for heavy-duty MIG welding (GMAW) applications.

Welders using TOUGH LOCK consumables

This retaining head suits operators standardised on the TOUGH LOCK system who need a slip-on connection. It is not for welders using thread-on diffuser designs or those running wire diameters outside the 0.023 in to 0.125 in range.

Wire capacity from .023 to .125 in

The head accommodates wire diameters from .023 in up to .125 in, covering common MIG welding needs. It runs out when wire exceeds .125 in or when a different connection type is required for the gun setup.

Highlights

  • TOUGH LOCK series compatibility ensures reliable MIG welding performance
  • Slip-on connection enables quick changeover on robotic air-cooled and water-cooled guns
  • Brass construction delivers heavy-duty durability for demanding applications
  • Supports wire diameters from .023 to .125 in for versatile welding tasks
  • Gas diffuser number 404-30-25 matches TOUGH LOCK consumable system precisely

Specifications

BrandTREGASKISS
TypeTools

Questions about this item

Do I need a Tough Gun TOUGH LOCK MIG gun for this retaining head to fit?

Yes, it is built for Tregaskiss robotic air-cooled and water-cooled MIG guns that use the TOUGH LOCK series connection.

Will my existing slip-on diffuser stay compatible when I swap to this head?

The head uses a slip-on connection and matches the TOUGH LOCK series diffuser, so it fits the same gun interface you already run.

How can I confirm the head is seated correctly after installation?

The brass retaining head slides onto the diffuser until it stops; a firm seat with no gap shows it is engaged for MIG welding up to 0.125 in wire.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.