Inch and Metric Size, Steel
Heavy Duty Adjustable Levers
Tapped Type
GN 212.3
GN 212.3

 GN 212.3 GN 212.3
Specification
Information
Body, arm and insert: Carbon Steel, black oxide finish
Spring: Steel
Ball knob: Black phenolic plastic, DIN 319

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Heavy Duty Adjustable Tension Levers GN212.3 have
proven to be ideal wherever parts have to be clamped in
a confined space, or if a particular lever position is re-
quired. The threaded insert is connected with the hub via
serrations which can be disengaged.
Pulling the lever upward disengages the serrations,
allowing it to be swivelled to the best clamping position.
On releasing the lever it will automatically re-engage.
Straight lever version available upon request.
Steel tension levers non-adjustable, see GN 212.
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Inch Table

Dimensions in:

inches
(millimeters)
Part Number
Angled
d1
d2
Tapped
d3
d4
d5
h1
h3
h4
l
t min
.83
(21)
1/4-20
.53
(13.5)
.31
(8)
.79
(20)
1.32
(33.5)
.04
(1)
.16
(4)
2.76
(70)
.43
 (11)
5/16-18
.94
(24)
5/16-18
.63
(16)
.39
(10)
.98
(25)
1.57
(40)
.10
(.2.5)
.18
(4.5)
3.78
(96)
.55
(14)
3/8-16
1.10
(28)
3/8-16
.75
(19)
.47
(12)
1.18
(30)
1.91
(48.5)
.18
(4.5)
.18
(4.5)
4.33
(110)
.67
(17)
1/2-13
1.30
(33)
1/2-13
.91
(23)
.47
(12)
1.26
(32)
2.17
(55)
.24
(6)
.22
(5.5)
4.88
(124)
.87
 (22)
5/8-11
1.57
(40)
3/4-10
1.10
(28)
55
(14)
1.38
(35)
2.68
(68)
.24
(6)
.22
(5.5)
5.43
(138)
1.42
(36)
Metric Table

Dimensions in:

millimeters
(inches)
Part Number
Angled
d1
d2
Tapped
d3
d4
d5
h1
h3
h4
l
t min
21
(.83)
M6 x 1.0
13.5
(.53)
8
(.31)
20
(.79)
33.5
(1.32)
1
(.04)
4
(.16)
70
(2.76)
11
 (.43)
M8 x 1.25
24
(.94)
M8 x 1.25
16
(.63)
10
(.39)
25
(.98)
40
(1.57)
2.5
(.10)
4.5
(.18)
96
(3.78)
14
(.55)
M10 x 1.5
28
(1.10)
M10 x 1.5
19
(.75)
12
(.47)
30
(1.18)
48.5
(1.91)
4.5
(.18)
4.5
(.18)
110
(4.33)
17
(.67)
M12 x 1.75
33
(1.30)
M12 x 1.75
23
(.91)
12
(.47)
32
(1.26)
55
(2.17)
6
(.24)
5.5
(.22)
124
(4.88)
22
 (.87)
M16 x 2.0
40
(1.57)
M16 x 2.0
28
(1.10)
14
(.55)
35
(1.38)
68
(2.68)
6
(.24)
5.5
(.22)
1.38
(5.43)
36
(1.42)
M20 x 2.5