J.W. Winco

Our customers in the USA are managed by J.W. Winco. Please, use the website of J.W. Winco: jwwinco.com

GN 990 Construction tubes Aluminum, for tube clamp connectors


Product description


Construction tubes GN 990 can be supplied in these standard lengths.

The tolerances specified for the outside diameter of the round construction tubes comply with the requirements for split mono-block connector clamps. Two-piece connector clamps allow obviously larger tolerances on construction tubes.


anodized, natural colorEL

Sawed cross sections deburred blank, i.e. not surface treated.


On request

further lengths

Technical drawing

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GN 990 Construction tubes, Aluminum sketch

Article options / Table

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Diameter D
Square V
Length l ±0,5d2s2w1w2
D 10 +0,05/-0,15V 102005001000-771,51,5
D 12 +0,05/-0,15V 122005001000-991,51,5
D 14 +0,05/-0,15-2005001000-11-1,5-
D 15 +0,05/-0,15-2005001000-12-1,5-
D 16 +0,05/-0,15V 162005001000-13131,51,5
D 18 +0,05/-0,15-2005001000-15-1,5-
D 20 +0,1/-0,2V 2020050010002000161622
D 25 +0,1/-0,2V 2520050010002000212122
D 30 ±0,15V 3020050010002000262622
D 35 ±0,15-2005001000-31-2-
D 40 ±0,15V 40200*50010002000343433
D 50 ±0,2V 5050010002000-444433
D 60 ±0,25-50010002000-52-4-
* only available for diameter D40

Build & Price

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Diameter d1
Square s1
Length l

Selected Part (How to order)

Total (net)
plus VAT 0,70 €
gross 4,36 €
In stock
Weight: 0,016 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone+49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).
Please note our quantity discounts.
With a total value (net) per order:
from 175,00 Euro -> 10 % discount
from 275,00 Euro -> 20 % discount
from 375,00 Euro -> 30 % discount
With a total value (net) per order:
All prices in accordance with our price list No. 52, valid from 1 May 2019, plus VAT only valid for Germany.

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Our customers in USA are served by J. W. Winco. Please use the website of J. W. Winco.
J. W. Winco, unser Partner in USA
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