GN 21bCentral Screws

Central Screws

Steel, for Aluminum Profiles (b-Modular System)

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Central Screws
Central Screws

GN 21b

Reset
Catalogue
n
d1 Self-forming thread
l1
d2 ≈
d3
l2 ≈
A/F
Tightening torque
in Nm
GN 21b-8S825-A-SZ
8
S 8
25
16
7.8
4.5
T40
25
12
GN 21b-10S1230-A-SZ
10
S 12
30
19
9.8
6
T50
35
26

Type

  • Type A: Without cover cap

Steel, zinc plated, blue passivated SZ

Central screws GN 21b connect aluminum profiles at right angles. Only one profile has to be machined. The thread in the end face profile hole is formed by the central screw itself. The self-forming thread should be lubricated to simplify assembly.

 
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