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Excellent chip removal capability, efficiently prevent burr and smear generation while maintaining excellent hole registration accuracy.
1. Small helix angle and ultra-thin web thickness's design offers chip evacuation ；
2. Can prevent burr and smear generation while maintaining excellent hole registration accuracy.
3. Suitable for back drill and PTFE boards.
d [mm] | 0.25 | 0.30 | 0.35 | 0.40 | 0.45 | 0.50 | 0.55 | 0.60 |
L [mm] | 4.5 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
d [mm] | 0.65 | 0.70 | 0.75 | 0.80 | 0.85 | 0.90 | 0.95 | 1.00 |
L [mm] | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 | 7.0 |
| Recommendation | |||||
|---|---|---|---|---|---|
| Drill | Overall Performance | usf | Router | General PCBs | 171rn |
| Excellent Hole Wall Quality | UHQ | Long-life Type | c5tr、151rh | ||
| FPC | a129fp | Excellent Routing Quality | 141hfr | ||
| Metal Base Board | g129mb | FPC/PTFE | 161r、111r | ||
| High Multi-layer Board | USF | Metal Base Board. | 162Ra、163r、162r | ||
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Address：Longgang High-tech Park, North longcheng Road, Longgang, Shenzhen, P.R.C
Phone：86-755-84877666
Fax：86-755-84878800
E-mail：sales@jinzhou.com.cn
jinzhou@jinzhou.com.cn
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