Inch and Metric Size, Zinc Die Cast with Steel Components
Clamping Levers with Eccentrical Cam

Tapped Type
GN 927



RoHS Compliant


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Specification
Information

Lever: Zinc die cast, plastic coated, abrasion-proof epoxy resin finish, matte black color
Components: Steel, zinc plated, blue passivated
Type A - Adjustable Contact Plate
Contact plate: Technopolymer (Polyacetal POM), glass fiber reinforced
Type B - Fixed Contact Plate
Contact plate: Technopolymer (Polyamide), glass fiber reinforced

Shipping

GN 927 clamping levers with eccentrical cam are used for rapid clamping and releasing operations. In contrast to a clamping operation utilizing threads, these levers permit torque-free clamping.
The lever has been designed to insure that its movement cannot exceed the maximum clamping position.
There are no loose components since all are assembled and mounted in their correct order.
Advantages of the Type A (adjustable contact plate): The distance between the eccentrical cam and the contact surface is adjustable by means of a fine threaded knurled nut. This permits the maximum clamping force to be set by a simple adjustment. In addition this also permits the selection of a preferred lever position in relation to the clamping lever pin.
With these clamping levers, thrust forces of up to 8 kN can be obtained.
For version with threaded stud, see GN 927.

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Inch Table

Dimensions in:

inches
(millimeters)

Part Number l1 d1
Thread
b d3 d4 d5 h ~
Stroke
at 90°
Lever Mvmnt.
l3 Min. l3
Max. Approx.
l4 Adj. Range l5 Min.
in
Clamping Position
t
Type A
Adj. Contact Plate
Type B
Fixed
Contact Plate
1TST5K
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1TST8K
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2.48
(63)
10-32 .63
(16)
.63
(16)
.75
(19)
.73
(18.5)
.03
(.75)
.59
(15)
.68
(16.3)
.06
(1.5)
.12
(3)
.39
(10)
3TST5K
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3TST8K
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2.48
(63)
1/4-20 .63
(16)
.63
(16)
.75
(19)
.73
(18.5)
.03
(.75)
.59
(15)
.68
(16.3)
.06
(1.5)
.12
(3)
.39
(10)
3TST6K
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3TST9K
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3.23
(82)
1/4-20 .79
(20)
.79
(20)
.96
(25)
.89
(22.5)
.04
(1)
.70
(17.7)
.77
(19.5)
.10
(2.5)
.15
(3.7)
.47
(12)
5TST6K
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5TST9K
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3.23
(82)
5/16-18 .79
(20)
.79
(20)
.96
(25)
.89
(22.5)
.04
(1)
.70
(17.7)
.77
(19.5)
.10
(2.5)
.15
(3.7)
.47
(12)
5TST7K
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5TST3K
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3.98
(101)
5/16-18 .96
(25)
1.02
(26)
1.18
(30)
1.06
(27)
.06
(1.5)
1.00
(25.3)
1.15
(29.3)
.16
(4.0)
.19
(4.8)
.59
(15)
6TST7K
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6TST3K
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3.98
(101)
3/8-16 .96
(25)
1.02
(26)
1.18
(30)
1.06
(27)
.06
(1.5)
1.00
(25.3)
1.15
(29.3)
.16
(4.0)
.19
(4.8)
.59
(15)
 
Metric Table

Dimensions in:

millimeters
(inches)

Part Number l1 d2
Thread
b d3 d4 d5 h ~
Stroke
at 90°
Lever Mvmnt.
l3 Min. l3
Max. Approx.
l4 Adj. Range l5 Min.
in
Clamping Position
t
Type A
Adj. Contact Plate
Type B
Fixed
Contact Plate
5NST5K
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5NST8K
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63
(2.48)
M5 x .8 16
(.63)
16
(.63)
19
(.75)
18.5
(.73)
.75
(.03)
15
(.59)
16.3
(.68)
1.5
(.06)
3
(.12)
10
(.39)
6NST5K
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6NST8K
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63
(2.48)
M6 x 1.0 16
(.63)
16
(.63)
19
(.75)
18.5
(.73)
.75
(.03)
15
(.59)
16.3
(.68)
1.5
(.06)
3
(.12)
10
(.39)
6NST6K
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6NST9K
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82
(3.23)
M6 x 1.0 20
(.79)
20
(.79)
25
(.98)
22.5
(.89)
1
(.04)
17.7
(.70)
19.5
(.77)
2.5
(.10)
3.7
(.15)
12
(.47)
8NST6K
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8NST9K
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82
(3.23)
M8 x 1.25 20
(.79)
20
(.79)
25
(.98)
22.5
(.89)
1
(.04)
17.7
(.70)
19.5
(.77)
2.5
(.10)
3.7
(.15)
12
(.47)
8NST7K
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8NST3K
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101
(3.98)
M8 x 1.25 25
(.96)
26
(1.02)
30
(1.18)
27
(1.06)
1.5
(.06)
25.3
(1.00)
29.3
(1.15)
4.0
(.16)
4.8
(.19)
15
(.59)
10NST7K
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10NST3K
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101
(3.98)
M10 x 1.5 25
(.96)
26
(1.02)
30
(1.18)
27
(1.06)
1.5
(.06)
25.3
(1.00)
29.3
(1.15)
4.0
(.16)
4.8
(.19)
15
(.59)