GN 990 Construction Tubes Aluminum, Round or Square, For Tube Clamp Connectors


Product description


The tolerances specified for the outside diameter of the round construction tubings comply with the requirements for split mono-block connector clamps.

Inch tubing complies with EN 754 and EN 755. Metric tubing complies with DIN 2391, DIN 2395 and DIN 2462.

Two-piece connector clamps obviously allow larger tolerances on round and square construction tubings.


Anodized finish, natural colorEL

Sawed end surfaces untreated, but deburred

RoHS compliant

On request

Other lengths of tubing, in 1 in. increments up to 96 in.

Technical drawing

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GN 990 Aluminum, Round or Square Construction Tubings sketch

Part Options / Table

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Dimensions in: Inch (change to Metric)
Diameter D
Square V
Length l ±0.02
D 1/2-12.0036.0072.0098.400.3840.058--
D 5/8-12.0036.0072.0098.400.5090.058--
D 3/4-12.0036.0072.0098.400.6340.058--
D 1.00-12.0036.0072.0098.400.8340.083--
D 1 1/4-12.0036.0072.0098.401.0840.083--
D 1 1/2-12.0036.0072.0098.401.3340.083--
D 1 3/4-12.0036.0072.0098.401.5100.120--
D 2.00-12.0036.0072.0098.401.6880.156--
D 2 1/2-12.0036.0072.0098.402.1880.156--
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Dimensions in: Inch | Metric
Diameter D
Square V
Length l ±0.02
D 10-3001000200025000.
D 12-3001000200025000.350.060.350.06
D 14-3001000200025000.430.06--
D 15-3001000200025000.470.06--
D 16-3001000200025000.510.060.510.06
D 18-3001000200025000.590.06--
D 20V 203001000200025000.630.080.630.08
D 25V 253001000200025000.830.080.830.08
D 30V 303001000200025001.
D 32-3001000200025001.100.08--
D 35-3001000200025001.220.08--
D 40V 403001000200025001.340.121.340.12
D 42-3001000200025001.420.12--
D 45V 453001000200025001.540.121.540.12
D 48-3001000200025001.650.12--
D 50V 503001000200025001.730.121.730.12
D 60-3001000200025002.050.16--

Build & Price

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Diameter d1



Square s1

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Total US Dollars (net)
In stock: 5477
In Stock
Please note our quantity discounts (US Dollars).
≥ 50$2.43
Prop 65: -
Please contact our Sales Department for more information: 800-877-8351
RoHS: -
This part is new in our product range, no details are available at this time. For more recent details on the RoHS compatibility, please contact our Sales Department!
Weight: 0.090 lbs
If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351
All Prices are in US Dollars. Taxes Not Included.

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