GN 274-IVSwivel Clamp Connectors

With internal serration

Aluminum

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With internal serration
With internal serration
With internal serration
GN 274-IV
With internal serration
GN 274-OZ
Without centering step (smooth)
GN 274-AV
With external serration
GN 274-MZ
With centering step
SW - RAL 9005
BL - Plain finish

GN 274-IV

Catalogue
d1
Bore
b
d2
k
l1
m
s
t
z
Schraubstelle
Accessory
Recom. hand lever
GN 911 for z
l2
GN 274-B20-IV-2-BL
B 20
40
8.5
40
95
43
13
20
M8-25
-
180
GN 274-B25-IV-2-BL
B 25
40
8.5
40
95
43
13
20
M8-25
63 78
160
GN 274-B30-IV-2-BL
B 30
40
8.5
40
95
43
13
20
M8-25
63 78
140
GN 274-B40-IV-2-BL
B 40
65
10.5
65
148
70
17
32.5
M10-50
-
690
GN 274-B42-IV-2-BL
B 42
65
10.5
65
148
70
17
32.5
M10-50
-
665
GN 274-B45-IV-2-BL
B 45
65
10.5
65
148
70
17
32.5
M10-50
78 92
635
GN 274-B48-IV-2-BL
B 48
65
10.5
65
148
70
17
32.5
M10-50
78 92
600
GN 274-B50-IV-2-BL
B 50
65
10.5
65
148
70
17
32.5
M10-50
78 92
570

Types

  • Type OZ: Without centering step (smooth)
  • Type MZ: With centering step
  • Type AV: With external serration
  • Type IV: With internal serration

Aluminum

  • Powder coated

Black, RAL 9005, textured finish SW

  • Plain, matte shot-blasted BL

Socket cap screws DIN 912

Stainless Steel AISI 304

Hex nuts DIN 985

Stainless Steel AISI 304

Self-locking via polyamide ring

The clamping bore of swivel clamp connectors GN 274 is mechanically machined and designed for construction tubes GN 990 or DIN 2391, DIN 2395 and DIN 2462.

At the screw location z, the socket cap screw reduces the bore cross-section for clamping. For clamping without tools, the socket cap screw can be replaced by an adjustable hand lever GN 911  listed in the table as accessory.

Swivel clamp connectors GN 274 can be combined with swivel clamp connectors GN 272, GN 276 or GN 278 to swivel clamp connector joints.

  • Adjustable Hand Levers GN 911
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