Glazed Nuts | McMaster-Carr

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Threaded on Both Ends

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Grade L5 Ceramic

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Electrical Insulating

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37 Products

Electrical Insulating Female Threaded Standoffs

Our best electrical insulating standoffs. They prevent electrical currents from passing through enclosures and conductive surfaces. These standoffs are often installed in circuit-breaker housings and semiconductors.

Round


	Fully Threaded	Threaded on Both Ends

High-Temperature Grade L5 Ceramic—Our most heat-resistant standoffs, even at blistering temperatures up to 1700° F. However, ceramic is brittle and can crack under mechanical stress.

	Lg.	Thread Lg.	Min. Thread Lg.	Dielectric Strength, V/mil	Voltage Rating	Temp. Range, ° F		Each
High-Temperature Grade L5 Ceramic







		6-32

		1/4"	1/4"	Fully Threaded	1/4"	—	240	Not Rated	50 to 1,700	94335A110	00000


		3/8"	3/8"	Threaded on Both Ends	—	1/8"	275	Not Rated	50 to 1,700	94335A120	0000
		1/2"	1/4"	Threaded on Both Ends	—	3/16"	240	Not Rated	50 to 1,700	94335A115	0000
		1/2"	3/8"	Threaded on Both Ends	—	1/8"	275	Not Rated	50 to 1,700	94335A125	0000
		1/2"	1/2"	Threaded on Both Ends	—	5/32"	275	Not Rated	50 to 1,700	94335A130	0000
		3/4"	1/4"	Threaded on Both Ends	—	1/4"	240	Not Rated	50 to 1,700	94335A118	0000
		3/4"	3/8"	Threaded on Both Ends	—	1/4"	275	Not Rated	50 to 1,700	94335A126	0000
		3/4"	1/2"	Threaded on Both Ends	—	1/4"	275	Not Rated	50 to 1,700	94335A135	0000
		1"	1/4"	Threaded on Both Ends	—	3/8"	240	Not Rated	50 to 1,700	94335A119	0000
		1"	3/8"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A128	0000
		1"	1/2"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A140	0000


		1 1/2"	3/8"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A129	0000
		1 1/2"	1/2"	Threaded on Both Ends	—	9/16"	275	Not Rated	50 to 1,700	94335A145	0000
		2"	1/2"	Threaded on Both Ends	—	1/2"	275	Not Rated	50 to 1,700	94335A147	0000
		2 1/2"	1/2"	Threaded on Both Ends	—	1/2"	275	Not Rated	50 to 1,700	94335A148	00000
		3"	1/2"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A149	00000




				8-32

				1/2"	3/8"	Threaded on Both Ends	—	5/32"	275	Not Rated	50 to 1,700	94335A370	0000


				3/4"	3/8"	Threaded on Both Ends	—	3/16"	275	Not Rated	50 to 1,700	94335A380	0000
				1"	3/8"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A390	0000
				1 1/2"	3/8"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A410	0000




						1/4"-20

						1"	3/4"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A151	0000


						1"	1"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A211	00000
						1 1/2"	3/4"	Threaded on Both Ends	—	3/8"	275	Not Rated	50 to 1,700	94335A152	0000
						1 1/2"	1"	Threaded on Both Ends	—	1/2"	275	Not Rated	50 to 1,700	94335A214	00000
						1 1/2"	1 1/4"	Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A328	00000
						2"	3/4"	Threaded on Both Ends	—	3/4"	275	Not Rated	50 to 1,700	94335A154	00000
						2"	1"	Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A217	00000
						2"	1 1/4"	Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A332	00000
						2 1/2"	3/4"	Threaded on Both Ends	—	3/4"	275	Not Rated	50 to 1,700	94335A155	00000
						3"	3/4"	Threaded on Both Ends	—	3/4"	275	Not Rated	50 to 1,700	94335A163	00000
						3"	1"	Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A224	00000


						3"	1 1/4"	Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A342	00000
						3 1/2"	3/4"	Threaded on Both Ends	—	3/4"	275	Not Rated	50 to 1,700	94335A153	00000
4"						3/4"	Threaded on Both Ends	—	3/4"	275	Not Rated	50 to 1,700	94335A160	00000
4"	1"					Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A231	00000
4"	1 1/4"					Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A350	00000
5"	1 1/4"					Threaded on Both Ends	—	5/8"	275	Not Rated	50 to 1,700	94335A357	00000