NBI Na Bob Precision Metal Industry Limited

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As a manufacturer of precision stamped metal parts, we also specialise in the manufacture of metal snap dome contacts for use with electric circuitboards, most commonly used today in mobile telephone handsets. With over 17 years experience in this field we have built a large catalogue of over 200 readily available domes which require no need for any tooling, and are available at very short notice.

Our domes are currently being used all over the world, in many applications ranging from mobile phones, personal electronic apparatus to disposable cameras.

Circle type
Triangle type
Cross type
Square type
Oblong type

Normal

Custom order

P/N key
letters after
prefix : -

T : triangular
S : square
C : circular
B : oblong
L : legged

example.

5A-T
diameter 5mm - triangular

 

NEW P/N
HEIGHT
TENSION
THICKNESS
LEG DIAMETER
4G-CL
0.24+0.03
260+30g
0.06mm
0.45x0.55mm
5AH-CL 0.25+0.03 230+30g 0.06mm 0.85x0.80mm
5K-CL
0.27+0.02
230+25g
0.06mm
1.10x0.80mm
5T-CL
0.42+0.03
240+30g
0.06mm
1.00x0.80mm
5U-TL
0.26+0.03
250+30g
0.06mm
1.00x0.80mm
5V-CL
0.27+0.03
230+30g
0.06mm
1.10x0.80mm
6M-CL
0.30+0.03
230+30g
0.06mm
1.00x0.80mm
6T-CL 0.52+0.05 450+50g 0.08mm 1.76x0.90mm
7F-CL
0.50+0.02
350+25g
0.08mm
1.10x1.00mm
7G-CL
0.48+0.02
425+25g
0.10mm
1.10x1.00mm
7H-CL
0.45+0.02
175+25g
0.08mm
1.10x1.00mm
7J-CL
0.50+0.02
325+25g
0.08mm
2.40x1.00mm
7N-CL
0.60+0.02
900+30g
0.10mm
1.10x1.00mm
7P-CL
0.50+0.02
225+25g
0.08mm
1.10x1.00mm
7Q-CL
0.50+0.02
275+25g
0.08mm
1.10x1.00mm
7S-CL
0.38+0.03
150+30g
0.06mm
1.00x2.25mm

1.00x1.25mm

7T-CL
0.50+0.02
400+25g
0.08mm
1.00x1.00mm
7X-CL 0.48+0.03 350+30g 0.08mm 1.00x1.00mm
9O-CL 0.33+0.03 230+30g 0.08mm 1.50x1.00mm
10J-CL
0.33+0.02
175+25g
0.10mm
1.20x1.00mm
10P-CL
0.39+0.03
280+30g
0.08mm
1.00x1.20mm
11D-CL
0.33+0.02
175+30g
0.10mm
1.00x1.20mm
11F-CL 0.40+0.03 250+30g 0.10mm 1.20x1.00mm
12.7C-CL
0.58+0.02
500+30g
0.10mm
2.00x1.00mm
12.7D-CL
0.56+0.02
500+30g
0.10mm
2.00x1.00mm
14A-CL
0.63+0.03
510+30g
0.10mm
2.00x1.00mm
All our metal domes are produced using high quality Japanese stainless steel JIS spec SUS 301/ SUS 304.
Na Bob is an ISO 9001:2000 registered company