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Tungsten Electrode Selector

Pre-ground tungsten tips for the most popular orbital welding machines

We have complied the OEM suggested tungsten sizes for specific weld heads and tube sizes to help you find the correct pre-ground electrode that you need.  We have Arc Machine / AMI, Orbitalum, Swagelok, and Otto Arc in our database.

We carry a large inventory of pre-ground tungsten.  Give us a call or send us an email for more information.

Arc Machines / AMI Electrode Selector PDF

OEM
Weld Head Model
Tube O.D. in
Wall Thickness (Schedule)
OEM Part Number
Orbitalum Orbiweld
OW 76S
0.500
TC-06-1950-020
Orbitalum Orbiweld
OW 76S
0.625
TC-06-1900-020
Orbitalum Orbiweld
OW 76S
0.750
TC-06-1800-020
Orbitalum Orbiweld
OW 76S
1.000
TC-06-1700-020
Orbitalum Orbiweld
OW 76S
1.500
TC-06-1450-020
Orbitalum Orbiweld
OW 76S
2.000
TC-06-1200-020
Orbitalum Orbiweld
OW 76S
2.500
TC-06-0950-020
Orbitalum Orbiweld
OW 76S
3.000
TC-06-0700-020
Orbitalum Orbiweld
OW 115S
1.000
TC-06-3050-020
Orbitalum Orbiweld
OW 115S
1.500
TC-06-2800-020
Orbitalum Orbiweld
OW 115S
2.000
TC-06-2550-020
Orbitalum Orbiweld
OW 115S
2.500
TC-06-2300-020
Orbitalum Orbiweld
OW 115S
3.000
TC-06-2050-020
Orbitalum Orbiweld
OW 115S
4.000
TC-06-1550-020
Orbitalum Orbiweld
OW 115S
4.500
TC-06-1300-020
Orbitalum Orbiweld
OW 170
2.000
TC-06-3750-020
Orbitalum Orbiweld
OW 170
2.500
TC-06-3500-020
Orbitalum Orbiweld
OW 170
3.000
TC-06-3250-020
Orbitalum Orbiweld
OW 170
4.000
TC-06-2750-020
Orbitalum Orbiweld
OW 170
4.500
TC-06-2500-020
Orbitalum Orbiweld
OW 170
6.000
TC-06-1750-020
Orbitalum Orbiweld
OW 170
6.625
TC-06-1450-020
unknown
unknown
TC04-0399-01
unknown
unknown
TC04-0414-03
unknown
unknown
TC04-0444-03
unknown
unknown
TC04-0476-01
unknown
unknown
TC04-0539-01
unknown
unknown
TC04-0539-03
unknown
unknown
TC04-0545-03
unknown
unknown
TC04-0582-03
unknown
unknown
TC04-0595-03
unknown
unknown
TC04-0644-01
unknown
unknown
TC04-0644-03
unknown
unknown
TC04-0657-03
unknown
unknown
TC04-0682-03
unknown
unknown
unknown
TC04-0700-02
unknown
unknown
TC04-0701-03
unknown
unknown
TC04-0705-02
unknown
unknown
TC04-0707-03
unknown
unknown
TC04-1187-03

© 2026 Secant Six Inc. dba Donut Tools formerly Elite Industrial Sales

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