System of Measurement System of Measurement |
---|
|
Thread Size Thread Size |
---|
Thread Direction Thread Direction |
---|
![]() | ![]() |
Right Hand | Left Hand |
Nut Type Nut Type | Show |
---|
|
Nut Type Nut Type | Hide |
---|
Material Material |
---|
|
For Minimum Tube ID For Minimum Tube ID |
---|

|
|
|
Threading Threading |
---|
![]() | Fully Threaded |
![]() | Partially Threaded |
Thread Fit Thread Fit |
---|
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
---|
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
---|
|
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
---|
|
For Maximum Tube ID For Maximum Tube ID |
---|
|
|
|
Finish Finish |
---|
|
About Nuts, Materials, and Finishes
More
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 technical drawings and 3-D models, click on a part number.
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" | 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 | 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" | 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 | 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" | 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 5/8" | 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 5/8" | 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 |
0.12" | 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" | 1 1/4"-12 | 2" | Fully Threaded | 2" | 000000000 | 00000 |
0.12" | 7/8"-14 | 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 technical drawings and 3-D models, click on a part number.
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 1/2" | Fully Threaded | 1 1/2" | 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 5/8" | 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 |
Tube-Connecting Nuts

Create strong joints in metal and plastic round tubes. Clips on both ends grip the sides of the tube to hold the nut in place. A zinc plating provides corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
For Tube ID | For OD | Thread Size | Lg. | Retaining Clip Material | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||
---|---|---|---|---|---|---|---|
0.53" to 0.54" | 5/8" | 1/4"-20 | 0.27" | Steel | 5 | 000000000 | 000000 |
0.62" to 0.65" | 3/4" | 1/4"-20 | 0.23" | Steel | 10 | 000000000 | 00000 |
0.62" to 0.65" | 3/4" | 5/16"-18 | 0.31" | Steel | 10 | 000000000 | 00000 |
0.72" to 0.74" | 3/4" | 1/4"-20 | 0.23" | Steel | 10 | 000000000 | 0000 |
0.75" to 0.77" | 7/8" | 1/4"-20 | 0.23" | Steel | 10 | 000000000 | 00000 |
0.85" to 0.87" | 1" | 1/4"-20 | 0.23" | Steel | 5 | 000000000 | 0000 |
0.87" to 0.9" | 1" | 1/4"-20 | 0.23" | Steel | 10 | 000000000 | 00000 |
0.87" to 0.9" | 1" | 5/16"-18 | 0.32" | Steel | 10 | 000000000 | 00000 |
0.87" to 0.9" | 1" | 3/8"-16 | 0.4" | Steel | 5 | 000000000 | 0000 |
1" to 1.02" | 1 1/8" | 1/4"-20 | 0.22" | Steel | 5 | 000000000 | 00000 |
1.12" to 1.15" | 1 1/4" | 1/4"-20 | 0.2" | Steel | 10 | 000000000 | 00000 |
1.12" to 1.15" | 1 1/4" | 5/16"-18 | 0.4" | Steel | 10 | 000000000 | 00000 |
1.2" to 1.21" | 1 1/4" | 3/8"-16 | 0.4" | Steel | 5 | 000000000 | 0000 |
1.25" to 1.27" | 1 3/8" | 1/4"-20 | 0.27" | Steel | 5 | 000000000 | 00000 |
1.33" to 1.34" | 1 3/8" | 5/16"-18 | 0.24" | Steel | 5 | 000000000 | 0000 |
1.37" to 1.4" | 1 1/2" | 1/4"-20 | 0.27" | Steel | 5 | 000000000 | 00000 |
1.37" to 1.4" | 1 1/2" | 5/16"-18 | 0.41" | Steel | 5 | 000000000 | 00000 |
1.62" to 1.65" | 1 3/4" | 1/4"-20 | 0.25" | Steel | 5 | 000000000 | 00000 |
1.7" to 1.71" | 1 3/4" | 5/16"-18 | 0.27" | Steel | 5 | 000000000 | 0000 |
1.93" to 1.94" | 2" | 1/4"-20 | 0.22" | Steel | 5 | 000000000 | 00000 |
1.97" to 1.98" | 2" | 5/16"-18 | 0.4" | Steel | 1 | 000000000 | 0000 |