Inch and Metric Size, Cast Iron
Star Knobs
Blank, Tapped or Blind Bore Type
DIN 6335-CI
DIN 6335-CI

RoHS Compliant

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DIN 6335-CI
Specification
Information
Hand knob: Cast iron, fettled and tumbled
Hand knobs are available blank, with plain blind bores, or
with threaded blind bores in both inch and metric sizes
Both dimensions, inch and metric, are interchangeable
for blank type.
 
Call our sales staff for pricing and delivery on your modification requirements.
Star knobs with threaded stud, see GN 6335.4-SG.
Plain and threaded through bores in both inch and metric sizes are available upon request.
Special inch or metric bores and threads available upon request.

See our technical section for tolerances
of threaded and blind bores.
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Inch Table

Dimensions in:

inches
(millimeters)

Part
Number
d1
d2
Tapped
d3
Blind Bore
d4
d5
e
h2
h3
t1
min
t2
1.26
(32)
1/4-20
 
.47
(12)
.09
(2.3)
.24
(6)
.79
(20)
.39
(10)
.47
(12)
.39
(10)
 
.250
1.57
(40)
5/16-18
 
.55
(14)
.11
(2.8)
.28
(7)
.98
(25)
.55
(14)
.59
(15)
.47
(12)
 
.313
1.97
(50)
3/8-16
 
.71
(18)
.11
(2.8)
.31
(8)
1.26
(32)
.79
(20)
.71
(18)
.63
(16)
 
.375
2.48
(63)
1/2-13
 
.79
(20)
.15
(3.8)
.39
(10)
1.57
(40)
.98
(25)
.87
(22)
.79
(20)
 
.500
3.15
(80)
5/8-11
 
.98
(25)
.15
(3.8)
.47
(12)
1.97
(50)
1.18
(30)
1.10
(28)
1.18
(30)
 
.625
3.94
(100)
3/4-10
 
1.26
(32)
.19
(4.8)
.55
(14)
2.48
(63)
1.50
(38)
1.42
(36)
1.50
(38)
 
.750
Blank Type Table

Dimensions in:

inches
(millimeters)

Part
Number
d1
d4
h1
h3
t2
1.26
(32)
.47
(12)
.83
(21)
.39
(10)
.39
(10)
1.57
(40)
.55
(14)
1.02
(26)
.55
(14)
.47
(12)
1.97
(50)
.71
(18)
1.34
(34)
.79
(20)
.63
(16)
2.48
(63)
.79
(20)
1.65
(42)
.98
(25)
.79
(20)
3.15
(80)
.98
(25)
2.05
(525)
1.18
(30)
1.18
(30)
3.94
(100)
1.26
(32)
2.56
(65)
1.50
(38)
1.50
(38)
Metric Table

Dimensions in:

millimeters
(inches)

Part
Number
d1
d2
Tapped
d3
Blind Bore
d4
d5
e
h2
h3
t1
min
t2
32
(1.26)
M6 x 1.0
 
12
(.47)
2.3
(.09)
6
(.24)
20
(.79)
10
(.39)
12
(.47)
10
(.39)
 
6
40
(1.57)
M8 x 1.25
 
14
(.55)
2.8
(.11)
7
(.28)
25
(.98)
14
(.55)
15
(.59)
12
(.47)
 
8
50
(1.97)
M10 x 1.5
 
18
(.71)
2.8
(.11)
8
(.31)
32
(1.26)
20
(.79)
18
(.71)
16
(.63)
 
10
63
(2.48)
M12 x 1.75
 
20
(.79)
3.8
(.15)
10
(.39)
40
(1.57)
25
(.98)
22
(.87)
20
(.79)
 
12
80
(3.15)
M16 x 2.0
 
25
(.98)
3.8
(.15)
12
(.47)
50
(1.97)
30
(1.18)
28
(1.10)
30
(1.18)
 
16
100
(3.94)
M20 x 2.5
 
32
(1.26)
4.8
(.19)
14
(.55)
63
(2.48)
38
(1.50)
36
(1.42)
38
(1.50)
 
20