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Tube-End Weld Nuts


Weld these nuts to round uncoated metal tubes to attach threaded parts, such as rod ends. Also known as tube adapters and weldable threaded tube ends.
| For Tube Wall Thick. | Thread Size | Ht. | Threading | Thread Lg. | Each | |
4130 Alloy Steel | ||||||
|---|---|---|---|---|---|---|
For 3/8" Tube OD | ||||||
| 0.058" | 10-32 | 1" | Fully Threaded | 1" | 000000000 | 00000 |
For 1/2" Tube OD | ||||||
| 0.058" | 1/4"-28 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
| 0.058" | 5/16"-24 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
For 5/8" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.058" | 3/8"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.058" | 7/16"-20 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
For 3/4" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.058" | 3/8"-24 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
| 0.058" | 7/16"-20 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
| 0.065" | 5/16"-24 | 1 3/8" | Partially Threaded | 7/8" | 000000000 | 0000 |
| 0.065" | 3/8"-24 | 1 3/8" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.065" | 7/16"-20 | 1 3/8" | Partially Threaded | 1 1/8" | 000000000 | 0000 |
For 7/8" Tube OD | ||||||
| 0.058" | 3/8"-24 | 1 3/8" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.058" | 7/16"-20 | 1 3/8" | Partially Threaded | 1 1/8" | 000000000 | 0000 |
| 0.058" | 1/2"-20 | 1 3/8" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.065" | 3/8"-24 | 1 3/8" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.065" | 7/16"-20 | 1 3/8" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.065" | 1/2"-20 | 1 3/8" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.083" | 3/8"-24 | 1 1/2" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.083" | 7/16"-20 | 1 1/2" | Partially Threaded | 1 1/8" | 000000000 | 0000 |
| 0.083" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
For 1" Tube OD | ||||||
| 0.058" | 3/8"-24 | 1 1/2" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.058" | 7/16"-20 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.058" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.058" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.065" | 3/8"-24 | 1 1/2" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.065" | 7/16"-20 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.065" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.065" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.083" | 3/8"-24 | 1 1/2" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.083" | 7/16"-20 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.083" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.083" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.095" | 3/8"-24 | 1 1/2" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.095" | 7/16"-20 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.095" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.095" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
For 1 1/8" Tube OD | ||||||
| 0.058" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.058" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.065" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.065" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.083" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.083" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.083" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.095" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.095" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
For 1 1/4" Tube OD | ||||||
| 0.095" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.12" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 9/16" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 3/8" Tube OD | ||||||
| 0.095" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 9/16" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 9/16" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 1/2" Tube OD | ||||||
| 0.095" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 9/16" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 7/8"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 7/8"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
For 1 3/4" Tube OD | ||||||
| 0.12" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.12" | 1"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.12" | 7/8"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.12" | 1 1/4"-12 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
| 0.25" | 1"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 7/8"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
For 2" Tube OD | ||||||
| 0.25" | 1 1/4"-12 | 3 1/4" | Fully Threaded | 3 1/4" | 000000000 | 00000 |
Left-Hand Threaded Tube-End Weld Nuts

Use these tube-end nuts with left-hand threaded fasteners. You can weld them to round uncoated metal tubes to attach threaded parts, such as rod ends. Also known as tube adapters and weldable threaded tube ends.
| For Tube Wall Thick. | Thread Size | Ht. | Threading | Thread Lg. | Each | |
4130 Alloy Steel | ||||||
|---|---|---|---|---|---|---|
For 3/8" Tube OD | ||||||
| 0.058" | 10-32 | 1" | Fully Threaded | 1" | 000000000 | 00000 |
For 1/2" Tube OD | ||||||
| 0.058" | 1/4"-28 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
| 0.058" | 5/16"-24 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
For 5/8" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.058" | 3/8"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.058" | 7/16"-20 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
For 3/4" Tube OD | ||||||
| 0.058" | 5/16"-24 | 1" | Partially Threaded | 3/4" | 000000000 | 0000 |
| 0.058" | 3/8"-24 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
| 0.058" | 7/16"-20 | 1" | Fully Threaded | 1" | 000000000 | 0000 |
| 0.065" | 5/16"-24 | 1 3/8" | Partially Threaded | 7/8" | 000000000 | 0000 |
| 0.065" | 3/8"-24 | 1 3/8" | Partially Threaded | 15/16" | 000000000 | 0000 |
| 0.065" | 7/16"-20 | 1 3/8" | Partially Threaded | 1 1/8" | 000000000 | 0000 |
For 7/8" Tube OD | ||||||
| 0.058" | 3/8"-24 | 1 3/8" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.058" | 7/16"-20 | 1 3/8" | Partially Threaded | 1 1/8" | 000000000 | 0000 |
| 0.058" | 1/2"-20 | 1 3/8" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.065" | 3/8"-24 | 1 3/8" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.065" | 7/16"-20 | 1 3/8" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.065" | 1/2"-20 | 1 3/8" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.083" | 3/8"-24 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.083" | 7/16"-20 | 1 1/2" | Partially Threaded | 1 1/8" | 000000000 | 0000 |
| 0.083" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
For 1" Tube OD | ||||||
| 0.058" | 3/8"-24 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.058" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.058" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.065" | 3/8"-24 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.065" | 7/16"-20 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.065" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.065" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.083" | 3/8"-24 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.083" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.083" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.095" | 3/8"-24 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.095" | 7/16"-20 | 1 1/2" | Partially Threaded | 1" | 000000000 | 0000 |
| 0.095" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.095" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
For 1 1/8" Tube OD | ||||||
| 0.058" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.058" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.065" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.065" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.083" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.083" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.095" | 1/2"-20 | 1 1/2" | Partially Threaded | 1 1/4" | 000000000 | 0000 |
| 0.095" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 0000 |
For 1 1/4" Tube OD | ||||||
| 0.095" | 5/8"-18 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 1/2" | Fully Threaded | 1 1/2" | 000000000 | 00000 |
| 0.12" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 9/16" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 3/8" Tube OD | ||||||
| 0.095" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 9/16" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 9/16" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
For 1 1/2" Tube OD | ||||||
| 0.095" | 5/8"-18 | 1 7/8" | Partially Threaded | 1 5/8" | 000000000 | 00000 |
| 0.095" | 3/4"-16 | 1 7/8" | Fully Threaded | 1 7/8" | 000000000 | 00000 |
| 0.12" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 7/8"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
For 1 3/4" Tube OD | ||||||
| 0.12" | 3/4"-16 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.12" | 1"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.12" | 1 1/4"-12 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 3/4"-16 | 2" | Partially Threaded | 1 7/8" | 000000000 | 00000 |
| 0.25" | 7/8"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
| 0.25" | 1"-14 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
For 2" Tube OD | ||||||
| 0.25" | 1 1/4"-12 | 3 1/4" | Fully Threaded | 3 1/4" | 000000000 | 00000 |

























