Metric Size, Steel
Serrated T-Slot Bolts
For Aluminum Extrusions
GN 505.4
GN 418

RoHS Compliant

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GN 606
Specification
Information

Body: Steel, zinc plated, blue passivated finish

GN 505.4 T-slot bolts can be inserted vertically into a T-slot.
When tightened, the bolt will be forced into a crosswise position by the applied torque and firmly anchored in the T-slot. Conversely, the bolt is turned back during loosening and can then be removed.
The clamping face of the T-slot bolt is serrated to ensure that a possible plating coat in the T-slot is penetrated, establishing a good electrical contact.
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Dimensions in:

millimeters
(inches)

Part Number
a
Tol.
-0.1/-0.5 mm
d
Thread
l
Length
h1
h2
e1
e2
Tol.
+.5/-1
8
(.31)
M6 x 1.0
20
1.6 -.6
(.07)
5 +/-1
(.20)
8 -.1/-.6
(.31)
16
(.63)
25
30
40
60
8
(.31)
M6 x 1.0
20
3.5 -1
(.14)
5 +/-1
(.20)
8 -.1/-.6
(.31)
16
(.63)
25
30
40
60
8
(.31)
M8 x 1.25
20
1.6 -.6
(.07)
5 +/-1
(.20)
8 -.1/-.6
(.31)
16
(.63)
25
30
8
(.31)
M8 x 1.25
20
3.5 -1
(.14)
5 +/-1
(.20)
8 -.1/-.6
(.31)
16
(.63)
25
30
Part Number
a
Tol.
-0.1/-0.5 mm
d
Thread
l
Length
h1
h2
e1
e2
Tol.
+.5/-1
10
(.39)
M6 x 1.0
20
1.6 -.6
(.07)
6.5 +/-1.5
(.26)
10 -2
(.39)
19
(.75)
25
30
40
60
10
(.39)
M6 x 1.0
20
3.5 -1
(.14)
6.5 +/-1.5
(.26)
10 -2
(.39)
19
(.75)
25
30
40
60
10
(.39)
M8 x 1.25
20
1.6 -.6
(.07)
6.5 +/-1.5
(.26)
10 -2
(.39)
19
(.75)
25
30
40
60
10
(.39)
M8 x 1.25
20
3.5 -1
(.14)
6.5 +/-1.5
(.26)
10 -2
(.39)
19
(.75)
25
30
40
60