Metric Size, Aluminum
Tube Connectors

GN 242
RoHS Compliant

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Specification
Tube connector:
Black version--Aluminum, powder coated, textured finish
Tumbled version--Aluminum, matte shot-blasted finish
Clamping bores machined
Cap screws: DIN 912, stainless steel, European Standard No. 1.4301 (American Standard Series 304)
Hex nuts: DIN 985, stainless steel, European Standard No. 1.4301 (American Standard Series 304)

ADJUSTABLE CLAMPING LEVER KITS GN 911 (SOLD SEPARATELY):
These kits can be used to replace the DIN 912 cap screws with adjustable levers. They include lever, spacer bushing, and hex nut, unassembled. See GN 911 to order separately; see right hand column in tables for part numbers of appropriate kit.

Information
The clamping bores of GN 242 tube connectors are machined and designed for construction tubings GN 990 or DIN 2391, DIN 2395 and DIN 2462 respectively.
In the standard version, the clamping force of the clamp onto the tube is achieved via the socket cap screws and hex nuts with nylon insert.

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Dimensions in:

millimeters
(inches)

Part Number
d1
Bore
(B)
d2
Bore
(B)
d3
Clamping Screw Thread
d4
Clamping Width
k1
Clamping Length
k2
Clamping Length
l1
l2
GN 911 Adjustable Clamping Lever Kit
Black Version
Tumbled Version
B20
B20
M8 x 1.25
40
(1.57)
45
(1.77)
45
(1.77)
90
(3.54)
52
(2.05)
B25
B25
M8 x 1.25
40
(1.57)
45
(1.77)
45
(1.77)
90
(3.54)
52
(2.05)
B30
B30
M8 x 1.25
40
(1.57)
45
(1.77)
45
(1.77)
90
(3.54)
52
(2.05)
B40
B40
M10 x 1.5
65
(2.56)
70
(2.76)
70
(2.76)
140
(5.51)
77.5
(3.05)
B42
B42
M10 x 1.5
65
(2.56)
70
(2.76)
70
(2.76)
140
(5.51)
77.5
(3.05)
B45
B45
M10 x 1.5
65
(2.56)
70
(2.76)
70
(2.76)
140
(5.51)
77.5
(3.05)
B48
B48
M10 x 1.5
65
(2.56)
70
(2.76)
70
(2.76)
140
(5.51)
77.5
(3.05)
B50
B50
M10 x 1.5
65
(2.56)
70
(2.76)
70
(2.76)
140
(5.51)
77.5
(3.05)