Inch and Metric Size, Steel
Socket Set Screws
With Full, Flat and Serrated Ball Point Ends
GN 605/
GN 605.6
GN 605

ISO 9001 Supplier

RoHS Compliant

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GN 605
Specification
Information

Body: Alloy steel, black oxide finish
European standard 10.9 grade
(American standard A490)
Ball: Steel, hardened
GN 605.6: includes steel hex nut and flat washer DIN125A

Socket set screws with full ball point are used in applications where a ball point contact is required.
The flat faced moveable ball allows the clamping or supporting of non-parallel surfaces. Indentation on the workpiece is eliminated and the workpiece does not alter its position during clamping.
Socket set screws with safety twist ball is designed so the flat faced ball cannot twist more than a maximum of 9 degrees. This allows full clamping of the flat faced ball at all times.
Socket head cap screws with ball point, see GN 606.
GN 605.6: Accessory for pneumatic clamps MN 110, MN 120 and MN 130.

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Inch Table - Full and Flat Ball without Safety Feature

Dimensions in:

inches
(millimeters)

Part Number
d1
Thread
l1 
Thread Length
d2
d3
l2
A/F
Full Ball
Flat Ball
--
6-32
.250
.078
(1.98)
.061
(1.56)
.024
(.61)
.063
(1.59)
8-32
.375
.094
(2.38)
.075
(1.91)
.030
(.76)
.078
(1.98)
10-24
.500
.125
(3.18)
.103
(2.61)
.039
(.99)
.094
(2.38)
.625
10-32
.500
.125
(3.18)
.103
(2.61)
.039
(.99)
.094
(2.38)
.625
1/4-20
.500
.156
(3.97)
.124
(3.14)
.049
(1.24)
.125
(3.18)
.625
5/16-18
.500
.219
(5.56)
.172
(4.37)
.067
(1.70)
.156
(3.97)
.750
.875
3/8-16
.625
.266
(6.75)
.210
(5.32)
.079
(2.01)
.187
(4.76)
.750
1/2-13
.750
.344
(8.73)
.266
(6.76)
.102
(2.59)
.250
(6.35)
1.50
Metric Table - Full and Flat Ball without Safety Feature

Dimensions in:

millimeters
(inches)

Part Number
d1
Thread
l1
Thread Length
d2
d3
l2
A/F
Full Ball
Flat Ball
-
M4 x .7
6
2.5
(.10)
-
.4
(.02)
2
(.08)
-
10
-
16
-
M5 x .8
8
3
(.12)
-
.6
(.02)
2.5
(.10)
-
12
-
20
M6 x 1.0
10
4
(.16)
3.2
(.13)
.8
(.03)
3
(.12)
16
20
25
M8 x 1.25
10
5.5
(.22)
4.5
(.18)
1.2
(.05)
4
(.16)
12
20
25
30
M10 x 1.5
12
7
(.28)
6
(.24)
1.7
(.07)
5
(.20)
16
20
25
35
M12 x 1.75
16
8.5
(.33)
7.2
(.28)
2
(.08)
6
(.24)
20
30
40
M16 x 2.0
20
12
(.47)
10.7
(.42)
3.3
(.13)
8
(.31)
25
35
50
 
Metric Table - Flat Ball with Safety Twist Feature

Dimensions in:

millimeters
(inches)
Part Number
d1
Thread
l1 
Thread
Length
d3
A/F
Plain
Flat Ball
Serrated
Flat Ball
M6 x 1.0
10
3.2
(.13)
3
(.12)
16
20
25
M8 x 1.25
10
4.5
(.18)
4
(.16)
12
20
25
30
M10 x 1.5
12
6
(.24)
5
(.20)
16
20
25
35
M12 x 1.75
16
7.2
(.28)
6
(.24)
20
30
40
M16 x 2.0
20
10.7
(.42)
8
(.31)
25
35
50
Metric Table - Serrated Flat Ball with Nut and Washer

Dimensions in:

millimeters
(inches)

GN 605.6
Part Number
d1
Thread
l1
Thread Length
d2
d3
l2
A/F
M8 x 1.25
40
5.5
(.22)
4.5
(.18)
1.2
(.05)
4
(.16)
M10 x 1.5
50
7
(.28)
6
(.24)
1.7
(.07)
5
(.20)
M12 x 1.75
50
8.5
(.33)
7.2
(.28)
2
(.08)
6
(.24)