Annealed Rods | McMaster-Carr

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Diameter

Shape

System of Measurement

Length

Material

Color

Maximum Temperature

Clarity

Wall Thickness

Refractive Index

Hardness

Modulus of Elasticity

REACH

RoHS

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

Thermal Conductivity @ Temperature

7.8 BTU⋅in/(hr⋅ft²⋅°F) @ 194° F

1.2 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

8.3 BTU⋅in/(hr⋅ft²⋅°F) @ 212° F

1.4 W/(m⋅°C) @ 20° C

Density

0.08 lb/in³

Minimum Temperature

Not Rated

Military Specification

Maximum Pressure

191 Products

Ultra-High-Temperature Quartz Glass Rods and Discs

Color: Clear
Max. Temperature: 2100° F
Fabrication: Annealed

Able to withstand temperatures up to 2100° F, this quartz glass is useful in high-temperature applications that also require optical clarity, such as high-intensity lighting, fiber-optic production, and optical lens systems. It provides excellent UV transmission, as well as high transmission in the visible and infrared ranges.

Rods

				12" Lg.
Dia., mm	Dia. Tolerance, mm	Edge Fabrication	Lg. Tolerance		Each
1	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
1.5	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
2	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
2.5	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
3	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
3.5	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
4	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
5	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
6	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
6.4	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
7	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
8	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	0000
9	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
10	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
11	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
12	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
13	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
14	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
15	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
16	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
17	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
18	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
19	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
20	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
22	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
24	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000
25	-0.380 to 0.380	Ground	-0.125" to 0.125"	00000000	00000

Discs

1/16" Lg.
Dia.	Dia. Tolerance	Edge Fabrication	Lg. Tolerance		Each
1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
3/4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
5"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
6"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
1/8" Lg.
1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3/4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
5"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
6"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
1/4" Lg.
1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3/4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
5"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
6"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
1/2" Lg.
1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3/4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
2 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
3"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
3 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
5"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
6"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
3/4" Lg.
1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
3/4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
1 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	00000
2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
2 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
3"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
3 1/2"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
4"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
5"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000
6"	-0.010" to 0.010"	Ground	-0.005" to 0.005"	0000000	000000

Ultra-High-Temperature Quartz Glass Tubes

Color: Clear
Max. Temperature: 2000° F
Fabrication: Annealed

Blistering temperatures won’t melt these quartz tubes, and rapid temperature shifts won’t cause them to crack. Even tougher than borosilicate, they can be used in furnaces and ovens heated up to 2000° F. These highly pure tubes are often used in laboratories because they won’t leach impurities into samples or contaminate chemical reactions. Quartz tubes are optically clear and have excellent UV transmission, making them ideal for UV purification systems.

				12" Lg.
OD	ID	Wall Thick.	Edge Fabrication		Each
Inch
0.25"	0.157"	0.043"	Ground	0000000	00000
0.375"	0.276"	0.05"	Ground	0000000	0000
0.5"	0.413"	0.044"	Ground	0000000	0000
0.625"	0.551"	0.039"	Ground	0000000	00000
0.75"	0.630"	0.059"	Ground	0000000	00000
0.875"	0.748"	0.059"	Ground	0000000	00000
1"	0.866"	0.074"	Ground	0000000	00000
Metric
3mm	1.000mm	1mm	Ground	00000000	0000
4mm	2.000mm	1mm	Ground	00000000	0000
5mm	3.000mm	1mm	Ground	00000000	0000
6mm	4.000mm	1mm	Ground	00000000	0000
7mm	5.000mm	1mm	Ground	00000000	0000
8mm	6.000mm	1mm	Ground	00000000	0000
9mm	7.000mm	1mm	Ground	0000000	0000
10mm	8.000mm	1mm	Ground	0000000	0000
11mm	9.000mm	1mm	Ground	0000000	0000
12mm	10.000mm	1mm	Ground	0000000	0000
13mm	11.000mm	1mm	Ground	0000000	0000
14mm	12.000mm	1mm	Ground	0000000	0000
15mm	13.000mm	1mm	Ground	0000000	0000
16mm	14.000mm	1mm	Ground	0000000	00000
17mm	15.000mm	1mm	Ground	0000000	00000
18mm	16.000mm	1mm	Ground	0000000	00000
19mm	16.000mm	1.5mm	Ground	0000000	00000
20mm	17.000mm	1.5mm	Ground	0000000	00000
21.6mm	18.000mm	1.8mm	Ground	0000000	00000
22mm	19.000mm	1.5mm	Ground	0000000	00000
23mm	20.000mm	1.5mm	Ground	0000000	00000
24mm	20.000mm	2mm	Ground	0000000	00000
25mm	22.000mm	1.5mm	Ground	0000000	00000

Borosilicate Glass Rods and Discs

Color: Clear
Max. Temperature: 445° F
Fabrication: Annealed

Also called Pyrex and Schott glass, this glass resists clouding and pitting and is highly chemical and heat resistant. With a low rate of thermal expansion, it stays dimensionally stable during changes in temperature.

Also Available: Other disc sizes. Please select 8477K98 and specify the diameter and length.

Rods

				12" Lg.		24" Lg.
Diameter	Diameter Tolerance	Edge Fabrication	Specifications Met		Each		Each
Inch
1/2"	-0.020" to 0.020"	Ground	MIL-G-47033	0000000	00000	0000000	000000
5/8"	-0.024" to 0.024"	Ground	MIL-G-47033	0000000	00000	0000000	00000
3/4"	-0.031" to 0.031"	Ground	MIL-G-47033	0000000	00000	0000000	00000
1"	-0.039" to 0.039"	Ground	MIL-G-47033	0000000	00000	0000000	00000
1 1/4"	-0.051" to 0.051"	Ground	MIL-G-47033	0000000	00000	0000000	00000
1 1/2"	-0.067" to 0.067"	Ground	MIL-G-47033	0000000	00000	0000000	000000
Metric
2mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	000000	0000	000000	0000
3mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	0000000	0000	0000000	0000
4mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	0000000	0000	0000000	0000
5mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	0000000	0000	0000000	0000
6mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	0000000	0000	0000000	0000
7mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	0000000	0000	0000000	0000
8mm	-0.400mm to 0.400mm	Ground	MIL-G-47033	0000000	0000	0000000	0000

Discs

Diameter	Diameter Tolerance	Edge Fabrication	Specifications Met		1/8" Lg.	3/16" Lg.	1/4" Lg.	3/8" Lg.	1/2" Lg.	5/8" Lg.	3/4" Lg.
1"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	000000	000000	000000	000000	000000	000000	000000
1 1/4"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
1 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
1 3/4"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
2"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
2 1/4"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
2 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
2 3/4"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
3"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
3 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
3 3/4"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	000000
4"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
4 1/4"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
4 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	00000
5"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	00000	00000	000000
5 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	00000	000000	000000	000000
6"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	000000	000000	000000	000000
6 1/2"	-0.015" to 0.015"	Ground	MIL-G-47033	0000000	00000	00000	00000	000000	000000	000000	000000

Borosilicate Glass Tubes

Color: Clear
Max. Temperature: 445° F
Fabrication: Annealed

					12" Lg.
OD	ID	Wall Thick.	Edge Fabrication	Specifications Met		Each
Inch
0.25"	0.160"	0.047"	Ground	MIL-G-47033	0000000	00000
0.375"	0.220"	0.079"	Ground	MIL-G-47033	0000000	0000
0.5"	0.310"	0.094"	Ground	MIL-G-47033	0000000	00000
0.5"	0.380"	0.063"	Ground	MIL-G-47033	0000000	0000
0.625"	0.440"	0.094"	Ground	MIL-G-47033	0000000	00000
0.625"	0.500"	0.063"	Ground	MIL-G-47033	0000000	0000
0.75"	0.500"	0.126"	Ground	MIL-G-47033	0000000	00000
0.75"	0.620"	0.063"	Ground	MIL-G-47033	0000000	00000
0.875"	0.620"	0.126"	Ground	MIL-G-47033	0000000	00000
1"	0.690"	0.157"	Ground	MIL-G-47033	0000000	00000
1"	0.810"	0.094"	Ground	MIL-G-47033	0000000	00000
Metric
5mm	0.600mm	2.2mm	Ground	MIL-G-47033	0000000	0000
6mm	1.200mm	2.4mm	Ground	MIL-G-47033	0000000	0000
6mm	2.700mm	1.65mm	Ground	MIL-G-47033	0000000	0000
7mm	3.000mm	2mm	Ground	MIL-G-47033	0000000	0000
8mm	3.000mm	2.5mm	Ground	MIL-G-47033	0000000	0000
9mm	3.000mm	3mm	Ground	MIL-G-47033	0000000	00000

Pressure-Rated Borosilicate Glass Tubes

Color: Clear
Max. Temperature: See table
Fabrication: Annealed

These short glass tubes can be used as glass bowls in oil dispensers. Borosilicate glass resists clouding and pitting and is highly chemical resistant. With a low rate of thermal expansion, it stays dimensionally stable during changes in temperature.

OD	ID	Wall Thick.	Lg.	Max. Pressure, psi	Max. Temperature, °F	Edge Fabrication		Each
1"	3/4"	1/8"	7/8"	190	212°	Ground	00000000	000000
1 1/4"	1"	1/8"	1 1/8"	150	212°	Ground	0000000	00000
1 1/2"	1 1/4"	1/8"	1 3/8"	130	212°	Ground	0000000	00000
1 3/4"	1 15/32"	9/64"	1 5/8"	130	212°	Ground	0000000	00000
2"	1 11/16"	5/32"	1 7/8"	110	185°	Ground	0000000	00000
2 1/4"	1 29/32"	11/64"	2 1/8"	105	185°	Ground	0000000	00000
2 1/2"	2 1/8"	3/16"	2 3/8"	100	185°	Ground	0000000	00000
3"	2 19/32"	13/64"	3"	85	150°	Ground	0000000	00000
3 1/2"	3 1/16"	7/32"	4"	60	150°	Ground	0000000	00000
4 1/4"	3 3/4"	1/4"	5"	50	125°	Ground	0000000	00000
5 1/2"	5"	1/4"	7"	35	100°	Ground	00000000	000000

Pressure-Rated Borosilicate Glass Discs

Color: Clear
Max. Temperature: See table
Fabrication: See table

Commonly used as sight glass. Also called Pyrex and Schott glass, borosilicate glass resists clouding and pitting and is highly chemical and heat resistant. With a low rate of thermal expansion, it stays dimensionally stable during changes in temperature.

Tempered glass is stronger than annealed glass.

Annealed Glass
Dia.	Dia. Tolerance	Lg.	Lg. Tolerance	Max. Pressure, psi	Max. Temperature, °F	Edge Fabrication	Specifications Met		Each
3 1/2"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	175	445°	Ground	MIL-G-47033	0000000	000000
4"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	150	445°	Ground	MIL-G-47033	0000000	00000
4 1/2"	-0.015" to 0.015"	3/8"	-0.031" to 0.031"	35	445°	Ground	MIL-G-47033	0000000	00000
5"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	100	445°	Ground	MIL-G-47033	0000000	00000
6"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	75	445°	Ground	MIL-G-47033	0000000	000000
6 3/4"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	55	445°	Ground	MIL-G-47033	0000000	000000
8 3/8"	-0.015" to 0.015"	3/4"	-0.031" to 0.031"	35	445°	Ground	MIL-G-47033	0000000	000000