Address:Daojiaotown, dongguan city, Guangdong province da bei wan industrial zone
FAX:+86.0769-81317808
TEL:+86.0769-81317158 Miss Li
008615817704271 Miss Pang
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 Big drill RDB series |
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PCB drill：
Main material is tungsten steel, suitable for multilayer PCB drilling is used, in accordance with the diameter size of points and a variety of different models
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Model Number
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Diameter(D)
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Flute length(L)
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Overall length
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Stem diameter
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Angle
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3.20*12.00
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3.20
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.25*12.00
|
3.25
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.30*12.00
|
3.30
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.35*12.00
|
3.35
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.40*12.00
|
3.40
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.45*12.00
|
3.45
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.50*12.00
|
3.50
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.55*12.00
|
3.55
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.60*12.00
|
3.60
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.65*12.00
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3.65
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.70*12.00
|
3.70
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.75*12.00
|
3.75
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.80*12.00
|
3.80
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.85*12.00
|
3.85
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.90*12.00
|
3.90
|
12.00
|
38.10
|
3.175
|
165°
|
|
3.95*12.00
|
3.95
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.00*12.00
|
4.00
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.05*12.00
|
4.05
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.10*12.00
|
4.10
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.15*12.00
|
4.15
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.20*12.00
|
4.20
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.25*12.00
|
4.25
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.30*12.00
|
4.30
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.35*12.00
|
4.35
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.40*12.00
|
4.40
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.45*12.00
|
4.45
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.50*12.00
|
4.50
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.55*12.00
|
4.55
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.60*12.00
|
4.60
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.65*12.00
|
4.65
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.70*12.00
|
4.70
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.75*12.00
|
4.75
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.80*12.00
|
4.80
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.85*12.00
|
4.85
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.90*12.00
|
4.90
|
12.00
|
38.10
|
3.175
|
165°
|
|
4.95*12.00
|
4.95
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.00*12.00
|
5.00
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.05*12.00
|
5.05
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.10*12.00
|
5.10
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.15*12.00
|
5.15
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.20*12.00
|
5.20
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.25*12.00
|
5.25
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.30*12.00
|
5.30
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.35*12.00
|
5.35
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.40*12.00
|
5.40
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.45*12.00
|
5.45
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.50*12.00
|
5.50
|
12.00
|
38.10
|
3.175
|
165°
|
|
5.55*12.00
|
5.55
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.00*12.00
|
6.00
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.05*12.00
|
6.05
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.10*12.00
|
6.10
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.15*12.00
|
6.15
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.20*12.00
|
6.20
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.25*12.00
|
6.25
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.30*12.00
|
6.30
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.35*12.00
|
6.35
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.40*12.00
|
6.40
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.45*12.00
|
6.45
|
12.00
|
38.10
|
3.175
|
165°
|
|
6.50*12.00
|
6.50
|
12.00
|
38.10
|
3.175
|
165°
|
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