Conversion Series Consumables

TOUGH LOCK conversion series consumables

Not currently using a Bernard® or Tregaskiss® MIG gun?

You can still experience immediate benefits from Centerfire™*, TOUGH LOCK® or Quik Tip™ consumables using competitive conversion parts. Enhance performance and standardize consumables for all your gun brands to minimize inventory management costs.

Gun ManufacturerGun ModelNozzle / Diffuser StyleAdaptorInsulatorDiffuser
Binzel®ALPHA 3, ALPHA 3 automaticSmallNot required4323RDS-1B3
BinzelALPHA 4, ALPHA 4 automaticsLargeNot required4323RD-1B4
BinzelOMEGA 4LargeNot required4323RD-1B04
Lincoln®Magnum® 250Small13800054323RDS-1
LincolnMagnum 300, Magnum 400SmallNot required4323RDS-1T
LincolnMagnum 300, Magnum 400LargeNot required4423RD-1T
LincolnMagnum Pro 300, Magnum Pro 400LargeNot required4323RD-1LP3
Miller®XR EdgeSmall13800184323RDS-1
MillerXR EdgeLarge138001810012D-1
MillerXR30A, XR-W, Roughneck, PythonSmallNot required4323RDS-1
MillerXR30A, XR-W, Roughneck, PythonLargeNot required10012D-1
MillerAluma-Pro™SmallNot required4323RDS-1AP
MillerAluma-ProLargeNot required10012D-1AP
Tweco®#3, #4, Tuff-n-Lite, Supra® XT (HD consumables)SmallNot required4323RDS-1T
Tweco#3, #4, Tuff-n-Lite, Supra XT (HD consumables)LargeNot required4423RD-1T
TwecoSpraymaster® 450LargeNot required4423RD-1T
TwecoELC 250, ELC 350, Spraymaster 250, Spraymaster 350Small13800124323RDS-1
TwecoELC 250, ELC 350, Sprayermaster 250, Spraymaster 350Large138001210012D-1
TwecoELC 450, EL 450, Supra XT (EL consumables)Large138001710012D-1

Conversion Consumables Installation

  1. Install conversion adaptor (if required).
  2. Install insulator cap over conversion adapter.
  3. Proceed with Centerfire (or Centerfire HD series) installation.
Gun ManufacturerGun ModelGun NeckTOUGH LOCK Retaining HeadNeck InsulatorAdaptor
Binzel®ALPHA 4404-46402-11Not required
Lincoln®Magnum® 300KP1928, KP1929, KP1941404-20^4423RNot required
LincolnMagnum 400KP1928, KP1929, KP1941404-20^4423RNot required
LincolnMagnum Pro (slip-on nozzle)404-73402-28Not required
LincolnMagnum Pro (thread-on nozzle)404-75-25402-28Not required
Tweco®#363J-60404-20^4423RNot required
Tweco#464J-60404-20^4423RNot required
TwecoSpray Master™ 350MS63-60404-20^4423RNot required
TwecoSpray Master 450MS64H-60404-20^4423RNot required
TwecoWeldSkill® 40064A-60404-20^4423RNot required
TwecoAir-cooled roboticsQTR66-22 (with M11 thread)404-30402-19404-69
TwecoAir-cooled roboticsQTR66-22 (with M12 thread)404-30402-19404-63

^The 404-20 retaining head will fit on most necks with an external 9/16″-18 thread regardless of angle

Gun ManufacturerGun ModelAdaptorInsulatorCompatible DiffusersCompatible Nozzles
Lincoln®Magnum® 250138000510012D1F, D118, D114N1C12, N1C58, N1C34, N1C34HD, N1C58HD
Tweco®ELC 250, ELC 350, Spraymaster® 250, Spraymaster 350138001210012D1F, D118, D114N1C12, N1C58, N1C34, N1C34HD, N1C58HD
TwecoELC 450, EL 450, Supra® XT (EL consumables)138001710012D1F, D118, D114N1C12, N1C58, N1C34, N1C34HD, N1C58HD
Gun ManufacturerGun ModelAdaptorInsulatorCompatible DiffusersCompatible Nozzles
Tweco®#3, #4, Tuff-n-Lite, Supra® XT (HD consumables), Spraymaster® 450Not requiredVL1ND118QLL, D114QLLN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ
TwecoELC 250, ELC 350, Spraymaster 250, Spraymaster 350138001210012D1FQ, D118Q, D114QN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ
TwecoELC 450, EL 450, Supra XT (EL consumables)138001710012D1FQ, D118Q, D114QN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ
Lincoln®Magnum® 250138000510012D1FQ, D118Q, D114QN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ
LincolnMagnum 300, Magnum 400Not requiredVL1ND118QLL, D114QLLN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ

Conversion Consumables Installation

  1. Install conversion adaptor (if required).
  2. Install insulator cap over conversion adaptor.
  3. Trim liner to correct dimension for the diffuser being used.
  4. Torque diffuser onto the neck to approximately 12 ft-lbs.
  5. Insert contact tip into the diffuser and lock into position with a clockwise motion.
  6. Thread nozzle onto the diffuser and tighten firmly by hand.

*Available for semi-automatic welding applications only.