Tube End Weld Nuts | McMaster-Carr

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	Nut Type Nut Type	Show

	Tube End

	Nut Type Nut Type	Hide


Weld	Hex

Flange	Square

Tube End	Screw Mount

Adhesive Mount

	System of Measurement System of Measurement

Inch

	Thread Size Thread Size

	For Tube OD For Tube OD

	For Tube Wall Thickness For Tube Wall Thickness

	Thread Direction Thread Direction


Right Hand	Left Hand

	Material Material

Steel

	Threading Threading

	Fully Threaded
	Partially Threaded

	Height Height

	Thread Length Thread Length

	Thread Spacing Thread Spacing

Fine

	Thread Type Thread Type

UNF

	Thread Fit Thread Fit

Class 2B

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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133 Products

About Nuts, Materials, and Finishes

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.

4130 Alloy Steel
For Tube Wall Thick.	Thread Size	Ht.	Threading	Thread Lg.		Each
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.

4130 Alloy Steel
For Tube Wall Thick.	Thread Size	Ht.	Threading	Thread Lg.		Each
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