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Four Hole Round Ceramic Tube Insulators

Catalog A58
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Four Hole Round Ceramic Tube Insulators
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Description

The following four hole alumina ceramic tube type insulators are available in six inch lengths. The tubes are constructed of a pure 99% alumina ceramic that has superior gas and vacuum tightness and excellent insulating properties even at elevated temperatures. They are recommended for use in mass spectrometers and other vacuum systems as feed through lines, thermocouple insulators, and in other applications requiring electrical and thermal insulators. Other Styles are also available - one hole, two hole and solid rods.

The following ceramic tubes are supplied in 6 inch lengths only. We can also custom cut shorter lengths to your specifications. Contact Us with your specific requirements.

Other sizes available on request

Tolerances on all diameters are ±0.005"

* Prices shown are per 6 inch long piece.

Four Hole Round Ceramic Tube Insulator
Part No. OD (in)ID (in) Price
EA
Order
R1230 0.0310.005 CALL
Qty
R1231 0.0470.010 CALL
Qty
R42 0.0620.016 CALL
Qty
R43 0.0940.026 $20.25
Qty
R1233 0.0940.020 CALL
Qty
R41 0.1250.020 CALL
Qty
R1235 0.1560.031 CALL
Qty
R1236 0.1870.031 CALL
Qty
R40 0.2500.062 CALL
Qty
R49 0.2500.078 CALL
Qty
R1238 0.2180.050 CALL
Qty
R1237 0.1870.047 CALL
Qty
R47 0.1580.040 CALL
Qty
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