File:AutoDotPunch.png
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Automatic Dot Punch : Buy Online
The lowest cost option is to use a hand-held punch with a hammer but a wide range of automatic punches are available - both Dot Punches and https://en.wikipedia.org/wiki/Punch_(tool)#Centre Centre Punches]. In general, Dot Punches have a sharper point (i.e. 60° instead of 90°) and need only the lower ranges of impact force (e.g. 20N to 50N). Automatic punches are siimply pushed down against the work-piece and do not need to be struck - indeed, should NOT be struck with a hammer.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:39, 4 August 2015 | | 307 × 307 (10 KB) | DT Online (talk | contribs) | Automatic Dot Punch |
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