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Two Hole Round Ceramic Tube Insulators

Catalog A58
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Two Hole Round Ceramic Tube Insulators
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Description

The following two 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 types are also available - one hole, four hole insulator tubes, and solid rods.

The following ceramic tubes are supplied in 6 inch lengths. Unless otherwise noted they can also be supplied in longer lengths (up to 24 inches long). 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"

R25 is available in 6 inch lengths only.

Prices shown are for 6 inches.

Two Hole Ceramic Tube Insulator
Part No. OD (in)ID (in) Stock/
Lead Time
Price
EA
Order
R1215 0.0310.005 48 hours*Standard lead time for ceramics is 48 hours. CALL
Qty
R1216 0.0470.010 10CALL
Qty
R26 0.0620.016 15$18.50
Qty
R29 0.0940.025 48 hours*Standard lead time for ceramics is 48 hours. $11.56
Qty
R27 0.1090.031 13$18.05
Qty
R25 0.1250.020 14$48.13
Qty
R24 0.1250.031 11CALL
Qty
R23 0.1250.040 34$18.50
Qty
R1221 0.1560.040 25CALL
Qty
R28 0.1560.052 16CALL
Qty
R1222 0.1880.040 20CALL
Qty
R22 0.1880.062 13CALL
Qty
R21 0.250.062 48 hours*Standard lead time for ceramics is 48 hours. $12.00
Qty
R20 0.250.078 11$12.00
Qty
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