Metric Size, Technopolymer Plastic
Hollow Knurled Knobs
With Stainless Steel Threaded Stud, with Brass or Plastic Tip
GN 421.10
GN 421.10

RoHS Compliant

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GN 421.10
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
Tip: Brass or plastic (Polyacetal POM)

GN 421.10 hollow knurled knobs with tips in brass or plastic are used in applications where marks and damage on the workpiece are unacceptable.
In clamping applications, the partially protruding steel hub of the knob prevents chipping of the plastic.


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Dimensions in:

millimeters
(inches)

Part Number
d1
Thread
l1
Stud Length
l2 d2
d3
d4
d5
h
k
Brass Pin
Plastic Pin
Brass Pin
Plastic Pin
Brass Pin
Plastic Pin
M5 x .8
10
.5
(.02)
1
(.04)
3
(.12)
3
(.12)
19
(.75)
9
(.35)
12
(.47)
14
(.55)
8
(.31)
15
20
25
M6 x 1.0
10
1
(.04)
1.3
(.05)
4
(.16)
3.5
(.14)
24
(.94)
12
(.47)
14
(.55)
16.5
(.65)
9.5
(.37)
16
20
25
30
M8 x 1.25
20
1.5
(.10)
1.6
(.06)
6
(.24)
5
(.20)
30
(1.18)
14
(.55)
16
(.63)
19.5
(.77)
11
(.43)
25
30
40
M10 x 1.5
20
2
(.08)
1.9
(.07)
8
(.31)
6.5
(.26)
36
(1.42)
16
(.63)
18
(.71)
22.5
(.89)
12.5
(.49)
25
30
45
55