Glazed Spacers | McMaster-Carr

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System of Measurement

Length

Thread Size

Material

Threading

Threaded on Both Ends

Shape

Round

Gender

Female

Performance

Electrically Insulating

Maximum Temperature

Mount Type

Thread Length

Voltage Rating

Color

Dielectric Strength

RoHS

Tensile Strength

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Minimum Temperature

Greater than 0° F

Thread Fit

Unified Standard Class 1B

REACH

Compliant

Hardness

Mohs 7.5

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

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37 Products

Electrical-Insulating Female Threaded Standoffs

Our best electrically 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