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CENTERFIRE Conversion Charts

Features & Benefits | Available Parts | Centerfire Conversion Charts | Centerfire Spec Sheet | Centerfire Spec Sheet (Español)

Simplify parts management and improve performance by converting all of your MIG guns to Centerfire™ nozzles, contact tips and gas diffusers. On the first table locate your gun make and model, and proceed to the columns on the right to determine the parts needed to upgrade. Then, use the other tables to select the contact tip and nozzle of your choice.

Find Parts Needed to Upgrade

Gun Manufacturer Gun Model Desired Nozzle / Gas Diffuser Style Adapter Insulator Gas Diffuser Contact Tip Nozzle
Bernard® Q-Gun, EZ Feed II, G, H, F
Small
Not Required
4323R
DS-1
Select from tables below

Select from tables below

note: use small nozzles with small diffusers and large nozzles with large diffusers

Large
Not Required
10012
D-1
Binzel® ALPHA 2, ALPHA 3, ALPHA 2 Automatic, ALPHA 3 Automatic
Small
Not Required
4323R
DS-1B
Large
Not Required
4323R
D-1B
Lincoln® Magnum 250
Small
1380005
4323R
DS-1
Large
1380005
10012
D-1
Magnum 300, Magnum 400
Small
Not Required
4323R
DS-1T
Large
Not Required
4423R
D-1T
Miller®

XR Edge

Small
1380018
4323R
DS-1
Large
1380018
10012
D-1
XR30A, XR-W, M-25, Roughneck, Python
Small
Not Required
4323R
DS-1
Large
Not Required
10012
D-1
OXO® APX
Small
Not Required
4323R
DS-1
Large
Not Required
10012
D-1
Tregaskiss® Toughgun
Small
Not Required
4323R
DS-1T
Large
Not Required
4423R
D-1T
Tweco® 160 Mini Mig
Small
1380020
4323R
DS-1
Large
1380020
10012
D-1
No. 1
Small
1380019
4323R
DS-1
Large
1380019
10012
D-1
No. 2
Small
1380005
4323R
DS-1
Large
1380005
10012
D-1
No. 3, No. 4, Tuff-n-Lite, Supra XT (HD Consumables), Spraymaster 450
Small
Not Required
4323R
DS-1T
Large
Not Required
4423R
D-1T
No. 5
Small
Not Required
N/A
N/A
Large
Not Required
4423R
D-1T-5
ELC 250, ELC 350, Spraymaster 250, Spraymaster 350
Small
1380012
4323R
DS-1
Large
1380012
10012
D-1
ELC 450, EL 450, EL 600, Supra XT (EL Consumables)
Small
1380017
4323R
DS-1
Large
1380017
10012
D-1

Select Contact Tip and Nozzle

Contact Tips
Part Number
Wire Size
T-023
.023" (.6 mm)
T-030
.030" (.8 mm)
T-035
.035" (.9 mm)
T-039
.039" (1.0 mm)
T-045
.045" (1.2 mm)
T-052
.052" (1.4 mm)
T-062
1/16" (1.6 mm)
T-072
.072" (1.8 mm)
T-078
5/64" (2.0 mm)
T-094
3/32" (2.4 mm)
T-109
7/64" (2.8 mm)
T-125
1/8" (2.8 mm)
Tapered Contact Tips
Part Number
Wire Size
TT-023
.023" (.6 mm)
TT-030
.030" (.8 mm)
TT-035
.035" (.9 mm)
TT-039
.039" (1.0 mm)
TT-045
.045" (1.2 mm)
TT-052
.052" (1.4 mm)
TT-062
1/16" (1.6 mm)

 

Small Nozzles
Part Number
I.D.
Contact Tip Recess
Material
NS-1218B
1/2" (12.7 mm)
1/8" (3.175 mm)
Brass
NS-1218C
1/2" (12.7 mm)
1/8" (3.175 mm)
Copper
NS-1200B
1/2" (12.7 mm)
Flush
Brass
NS-5818B
5/8" (15.87 mm)
1/8" (3.175 mm)
Brass
NS-5818C
5/8" (15.87 mm)
1/8" (3.175 mm)
Copper
NS-5800B
5/8" (15.87 mm)
Flush
Brass

 

Small Tapered Nozzles
Part Number
I.D.
Contact Tip Recess or Extension
Material
NST-3818B
3/8" (9.53 mm)
1/8" (3.175 mm)
Brass
NST-3800B
3/8" (9.53 mm)
Flush
Brass
NST-38XTB
3/8" (9.53 mm)
1/8" (3.175 mm) Extension
Brass

 

Large Nozzles
Part Number
I.D.
Contact Tip Recess
Material
N-5814B
5/8" (15.87 mm)
1/4" (6.35 mm)
Brass
N-5814C
5/8" (15.87 mm)
1/4" (6.35 mm)
Copper
N-5818B
5/8" (15.87 mm)
1/8" (3.175 mm)
Brass
N-5818C
5/8" (15.87 mm)
1/8" (3.175 mm)
Copper
N-5800C
5/8" (15.87 mm)
Flush
Copper
N-3414B
3/4" (19.05 mm)
1/4" (6.35 mm)
Brass
N-3414C
3/4" (19.05 mm)
1/4" (6.35 mm)
Copper
N-3418B
3/4" (19.05 mm)
1/8" (3.175 mm)
Brass
N-3418C
3/4" (19.05 mm)
1/8" (3.175 mm)
Copper
N-3400C
3/4" (19.05 mm)
Flush
Copper

 

Large Tapered Nozzles
Part Number
I.D.
Contact Tip Recess
Material
NT-3800C
3/8" (9.53 mm)
Flush
Copper

Centerfire™ nozzles, tips and gas diffusers are manufactured by Bernard®. Bernard® is the registered trademark of Illinois Tool Works, Inc. Other brands mentioned are for reference only and are the registered trade marks of their respective companies. Illinois Tool Works, Inc. is not affiliated with these other companies.