1 1/4"-12 Tee Nuts | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Thread Size Thread Size	Show

1 1/4"-12

	Thread Size Thread Size	Hide

	Thread Type Thread Type

UNF

	For Tube OD For Tube OD

1 3/4"

	For Tube Wall Thickness For Tube Wall Thickness

0.12"

0.25"

	Nut Type Nut Type

	Tube End

	Thread Direction Thread Direction


Right Hand	Left Hand

	Threading Threading

	Fully Threaded

	Material Material

Steel

	Height Height

3 1/4"

	Thread Length Thread Length

3 1/4"

	Thread Spacing Thread Spacing

Fine

	Thread Fit Thread Fit

Class 2B

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

DFARS Specialty Metals
Compliant

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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 1 3/4" Tube OD
0.12"	1 1/4"-12	2"	Fully Threaded	2"	000000000	000000
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 1 3/4" Tube OD
0.12"	1 1/4"-12	2"	Fully Threaded	2"	000000000	000000
For 2" Tube OD
0.25"	1 1/4"-12	3 1/4"	Fully Threaded	3 1/4"	000000000	00000