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Four Hole Round Ceramic Tube Insulators

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 $24.75
Qty
R1231 0.0470.010 $27.00
Qty
R42 0.0620.016 $20.25
Qty
R43 0.0940.026 $20.25
Qty
R1233 0.0940.020 $16.00
Qty
R41 0.1250.020 $14.75
Qty
R1235 0.1560.031 $13.75
Qty
R1236 0.1870.031 $23.00
Qty
R40 0.2500.062 $18.50
Qty
R49 0.2500.078 $24.00
Qty
R1238 0.2180.050 $14.00
Qty
R1237 0.1870.047 $23.00
Qty
R47 0.1580.040 $13.75
Qty
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