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WELD LOCATION PINS
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International Syalons manufacture a comprehensive range of silicon nitride, sialon and zirconia advanced ceramic weld location and control pins. These are used in the metal forming industry to allow precise welding of nuts to sheet metal.

Sialons are silicon nitride based ceramics which possess a number of characteristics, such as excellent mechanical, thermal and chemical properties, making them ideal in metal forming applications. Syalon 101 weld location pins have a proven history of success of more than 20 years by several leading automotive manufacturers.

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Zircalon weld location pins are a more recent addition to our portfolio. They excel where their greater toughness is required, such as when severe impact is a possibility. Like Syalon 101 they have excellent wear resistance, however they are not recommended where thermal shock may occur. Also, they are double the weight of an equivalent Syalon101 weld pin. Zircalon is available in two grades, Zircalon 10 and Zircalon 30. Zircalon 30 has slightly superior properties for applications which demand it.

The tables below show our range of standard weld pins. However, we make a whole range of none standard sizes, so please contact us with your enquiry.

For details on using ceramic weld location pins, please download our User Guide.

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Standard Sizes - Weld Location Pins

PART NO.
NUT SIZE
A
B
C
D
E
F
G
R
ISN 050060
M5
6.0
2.0
12.0
1.0
6.0
7.5
15.0
15.0
ISN 060070
M6
7.0
2.0
12.0
2.0
7.0
9.5
15.0
15.0
ISN 060078
M6
7.0
2.0
12.0
2.0
7.8
9.5
15.0
15.0
ISN 060088
M6
10.0
3.0
12.0
2.0
8.8
8.0
15.0
15.0
ISN 080090
M8
10.0
5.0
14.0
2.5
9.0
7.5
15.0
12.5
ISN 100110
M10
12.0
4.0
16.0
2.5
11.0
8.0
15.0
12.5
ISN 120130
M12
13.0
4.0
18.0
2.5
13.0
8.0
15.0
12.5
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PART NO.
NUT SIZE
HOLE SIZE
A
B
C
D
E
F
G
ISN 1 DOL
M5
6.0
5.85
12.0
2.0
1.0
6.0
7.5
15.0
ISN 2 DOL
M6
7.0
6.85
12.0
2.0
2.0
7.0
8.0
15.0
ISN 2 DOL 7.2
M8 (T/LESS)
7.4
7.20
12.0
2.0
2.0
7.0
8.0
15.0
ISN 3 DOL
M6
7.5
7.35
12.0
2.0
2.0
7.0
8.0
15.0
ISN 4 DOL
M6
8.0
7.85
12.0
2.0
2.0
7.0
8.0
15.0
ISN 5 DOL
M8
9.0
8.85
12.0
3.0
2.0
9.0
8.0
15.0
ISN 6 DOL
M8
9.5
9.35
14.0
4.0
2.5
9.0
8.0
12.5
ISN 7 DOL
M8
10.0
9.85
16.0
4.0
2.5
10.0
8.0
12.5
ISN 815 DOL
M6
8.25
8.15
12.0
2.0
2.0
7.0
8.0
15.0
ISN 9 DOL
M10
11.0
10.85
16.0
4.0
2.5
11.0
8.0
12.5
ISN 10 DOL
M10
11.5
11.35
16.0
4.0
2.5
11.0
8.0
12.5
ISN 1015 DOL
M8
10.25
10.15
16.0
4.0
2.5
10.0
8.0
12.5
ISN 11 DOL
M8
10.25
10.15
16.0
4.0
2.5
10.0
8.0
12.5
ISN 12 DOL
M10
12.0
11.85
16.0
4.0
2.5
11.0
8.0
12.5
ISN 1215 DOL
M12
13.0
12.85
16.0
4.0
2.5
12.0
8.0
12.5
ISN 13 DOL
M6
8.2
8.00
12.0
2.0
2.0
7.0
8.0
15.0
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PART NO.
NUT SIZE
HOLE SIZE
A
B
C
D
ISP 1
M4, M5, M6
6.00
5.85
10.00
1.5
4.3
ISP 2
M6
7.00
6.85
10.00
1.5
5.2
ISP 3
M6
7.50
7.35
12.00
2.0
5.4
ISP 4
M6
8.00
7.85
12.00
2.0
5.8
ISCP 5
M8
9.00
8.85
14.00
3.0
6.2
ISP 6
M8
9.50
9.35
14.00
3.0
6.6
ISP 7
M8
10.00
9.85
14.00
3.0
7.0
ISP 8
M8
10.50
10.35
14.00
3.0
7.5
ISP 9
M10
11.00
10.85
16.00
3.5
7.7
ISP 10
M10
11.50
11.35
16.00
3.5
8.1
ISP 11
M10, 7/16 UNF
12.00
11.85
16.00
3.5
8.5
ISP 12
M12, 7/16 UNF
13.00
12.85
16.00
4.5
8.9
ISP 13
M10
12.50
12.35
16.00
3.5
8.9
ISP 14
M14
15.00
14.86
18.00
5.0
10.4
ISP 15
M12
14.00
13.85
16.00
4.0
10.0
ISP 16
7/16 UNF
14.50
14.35
16.00
4.5
10.2
ISP 17
7/16 UNF
13.50
13.35
16.00
4.5
9.3
ISP 18
M14
15.20
15.15
17.00
5.0
10.6
ISP 24
M6
8.25
8.10
12.00
2.0
6.0
ISP 25
M6
8.40
8.25
12.00
2.0
6.1
ISP 26
M12/LESS
13.20
13.05
16.00
9.1
6.1
ISP 27
M8
8.70
8.55
12.00
2.0
6.4
ISP 28
M8
10.65
10.50
14.00
3.0
7.6
ISP 29
M8
8.15
8.05
12.00
2.0
6.0
ISP 30
M6
6.60
6.40
10.00
1.5
4.8
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PART NO.
NUT SIZE
A
C
E
F
G
ISN 04048
M4
3.0
12.0
4.8
6.5
12.0
ISN 05058
M5
3.0
12.0
5.8
7.5
12.0
ISN 06068
M6
5.0
12.0
6.8
9.5
13.9
ISN 08078
M8
6.0
14.0
7.8
9.5
13.9
ISN 08088
M8
6.0
14.0
8.8
8.0
13.9
ISN 08090
M8
6.0
14.0
9.0
7.5
13.9
ISN 10102
M10
7.0
16.0
10.2
8.0
13.9
ISN 10107
M10
7.0
16.0
10.7
8.0
13.9
ISN 12144
M12
8.0
18.0
14.4
8.0
13.9
ISN 12116
M12
8.0
18.0
11.6
8.0
13.9
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PART NO.
NUT SIZE
A
B
C
D
E
F
R1
R2
ISN 050070
M6
4.0
16.0
7.0
12.0
5.0
7.0
2.5
1.5
ISN 050088
M6
4.0
16.0
7.0
12.0
5.0
8.8
2.5
1.5
ISN 066110
M8
7.0
15.0
7.0
16.0
6.6
11.0
3.3
MIN
ISN 084110
M10
5.0
16.0
7.0
16.0
8.4
11.0
2.0
1.5
ISN 084144
M10
5.0
16.0
7.0