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

Tapped Type
GN 927.4


RoHS Compliant


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Specification
Information

Lever: Zinc die cast, plastic coated, abrasion-proof epoxy resin finish, matte black color
Components: Stainless steel, European Standard No. 1.4305 (American Standard Series 303)
Type A - Adjustable Contact Plate with Setting Nut
Contact plate: Black technopolymer (Polyacetal POM), glass fiber reinforced
Setting nut: Stainless steel, European Standard No. 1.4305 (American Standard Series 303)
Type B - Fixed Contact Plate
Contact plate: Technopolymer (Polyamide), glass fiber reinforced

Shipping

GN 927.4 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 steel version, see GN 927.
See also Clamping and manual forces in clamping levers with eccentrical cam.

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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
927.4-63-10X32-A
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927.4-63-10X32-B
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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)
927.4-63-1/4X20-A
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927.4-63-1/4X20-B
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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)
927.4-82-1/4X20-A
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927.4-82-1/4X20-B
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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)
927.4-82-5/16X18-A
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927.4-82-5/16X18-B
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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)
927.4-101-5/16X18-A
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927.4-101-5/16X18-B
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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)
927.4-101-3/8X16-A
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927.4-101-3/8X16-B
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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 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
927.4-63-M5-A
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927.4-63-M5-B
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63
(2.48)
M5 x .8 16
(.63)
16
(.63)
19
(.75)
18.5
(.73)
.75
(.03)
16.3
(.68)
18.8
(.74)
2.5
(.10)
3
(.12)
10
(.39)
927.4-63-M6-A
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927.4-63-M6-B
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63
(2.48)
M6 x 1.0 16
(.63)
16
(.63)
19
(.75)
18.5
(.73)
.75
(.03)
16.3
(.68)
18.8
(.74)
2.5
(.10)
3
(.12)
10
(.39)
927.4-82-M6-A
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927.4-82-M6-B
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82
(3.23)
M6 x 1.0 20
(.79)
20
(.79)
25
(.98)
22.5
(.89)
1
(.04)
19.5
(.77)
22.5
(.89)
3
(.12)
3.7
(.15)
12
(.47)
927.4-82-M8-A
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927.4-82-M8-B
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82
(3.23)
M8 x 1.25 20
(.79)
20
(.79)
25
(.98)
22.5
(.89)
1
(.04)
19.5
(.77)
22.5
(.89)
3
(.12)
3.7
(.15)
12
(.47)
927.4-101-M8-A
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927.4-101-M8-B
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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)
927.4-101-M10-A
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927.4-101-M10-B
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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)