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Ejector Needles
(SEN Series)

SEN Ejector Needles… new age materials and precision

The SEN series ejector needles are designed to reduce the possibility of tape contaimination and micro-cracking during die ejection. For small die/pierce-through applications, we use a sub-micron grade carbide which resists tip chipping (SEN). For larger die/non-piercing ejection, we recommend a wear resistant carbide and an enlarged radius to reduce micro-cracking (SEN1). When combined with our proprietary automatic machining process, our needles offer top performance at a "use and throw" cost.

 

 

No.
Part No.
L mm
D mm
A deg.
R mm
1
14.30
0.70
15
0.022
2
14.30
0.70
10
0.022
3
15.00
0.70
15
0.022
4
15.00
0.70
10
0.022
5
18.00
0.70
15
0.022
6
18.00
0.70
10
0.022
7
11.50
0.70
15
0.022
8
11.50
0.70
10
0.022
9
17.00
0.70
10
0.022
10
12.00
0.70
10
0.022
11
17.00
0.70
15
0.025
12
17.00
0.70
10
0.025
13
17.00
0.70
0
0.350
14
19.00
0.70
15
0.050
15
12.00
0.70
15
0.050
16
10.00
0.70
15
0.250
17
10.00
0.70
15
0.025
18
10.00
0.70
15
0.075
19
10.00
0.70
15
0.100
20
10.00
0.70
0
0.350
21
10.00
0.70
15
0.150
22
10.00
0.70
15
0.060
23
20.00
0.70
15
0.250
24
20.00
0.70
15
0.025
25
20.00
0.70
15
0.100
26
20.00
0.70
15
0.075
27
20.00
0.70
15
0.050
28
20.00
0.70
15
0.070
29
20.00
0.70
15
0.060
30
20.00
0.70
15
0.015
31
20.00
0.70
15
0.150
32
18.00
0.70
15
0.050
33
11.50
0.70
20
0.050
34
11.50
0.70
20
0.030
35
17.00
0.70
15
0.050
36
17.00
0.70
15
0.070
37
11.50
0.70
15
0.050
38
11.50
0.70
15
0.030
39
11.50
0.70
15
0.030
40
11.50
0.70
15
0.030
41
13.90
0.70
12
0.260
42
SEN-xx
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43
SEN1-xx
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