Metric Size, Technopolymer Plastic
Hollow Knurled Knobs
With Stainless Steel Threaded Stud, with Ball End and Swivel Thrust Pad
GN 421.12
GN 421.12

RoHS Compliant

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GN 421.12
Specification
Information
Knob body: Black technopolymer plastic (Polyamide PA), smooth, glossy finish
Threaded stud: Stainless steel, European Standard No. 1.4567 (American Standard Series 304 Cu), molded-in
Thrust pad: Black technopolymer plastic (Polyamide PA), matte finish

GN 421.12 hollow knurled knobs have a ball end whose diameter is smaller than the core diameter of the thread.
The thrust pad swivels 15° is easily clipped on and taken off. Thrust pads are supplied unmounted.
In clamping applications, the partially protruding steel hub of the knurkled knob prevents chipping of the plastic.
Temperature resistant to 194° F (80 °C).

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Dimensions in:

millimeters
(inches)

Part Number
d1
Thread
l1
Stud Length
d2
d3
d4
d5
d6
h
k
l2
l3
l4
M6 x 1.0
25
15
(.59)
24
(.94)
12
(.47)
14
(.55)
4.5
+/1 .03 mm

(.18)
16.5
(.65)
9.5
(.37)
5.1
(.20)
3.6
(.14)
7.6
(.30)
35
45
M8 x 1.25
30
18
(.71)
30
(1.18)
14
(.55)
16
(.63)
6.1
+/-.05 mm

(.24)
19.5
(.77)
11
(.43)
6.2
(.25)
4.2
(.17)
9.2
(.37)
40
50
M8 x 1.25
30
21
(.83)
30
(1.18)
14
(.55)
16
(.63)
6.1
+/-.05 mm

(.24)
19.5
(.77)
11
(.43)
6.2
(.25)
5
(.20)
10
(.39)
40
50
M8 x 1.25
30
25
(.98)
30
(1.18)
14
(.55)
16
(.63)
6.1
+/-.05 mm

(.24)
19.5
(.77)
11
(.43)
6.2
(.25)
5.5
(.22)
10.5
(.41)
40
50
M8 x 1.25
30
32
(1.26)
30
(1.18)
14
(.55)
16
(.63)
6.1
+/-.05 mm

(.24)
19.5
(.77)
11
(.43)
6.2
(.25)
6
(.24)
11
(.43)
40
50
M8 x 1.25
30
40
(1.57)
30
(1.18)
14
(.55)
16
(.63)
6.1
+/-.05 mm

(.24)
19.5
(.77)
11
(.43)
6.2
(.25)
8
(.31)
13
(.51)
40
50
M10 x 1.5
35
21
(.83)
36
(1.42)
16
(.63)
18
(.71)
7.8
+/- .05 mm

(.31)
22.5
(.89)
12.5
(.49)
7.3
(.29)
4.3
(.17)
10
(.39)
45
55
M10 x 1.5
35
25
(.98)
36
(1.42)
16
(.63)
18
(.71)
7.8
+/- .05 mm

(.31)
22.5
(.89)
12.5
(.49)
7.3
(.29)
4.6
(.18)
10.5
(.41)
45
55
M10 x 1.5
35
32
(1.26)
36
(1.42)
16
(.63)
18
(.71)
7.8
+/- .05 mm

(.31)
22.5
(.89)
12.5
(.49)
7.3
(.29)
5
(.20)
11
(.43)
45
55
M10 x 1.5
35
40
(1.57)
36
(1.42)
16
(.63)
18
(.71)
7.8
+/- .05 mm

(.31)
22.5
(.89)
12.5
(.49)
7.3
(.29)
7
(.28)
13
(.51)
45
55