File:Drilling starts with center drill.jpg
Jump to navigation
Jump to search
Drilling_starts_with_center_drill.jpg (611 × 488 pixels, file size: 50 KB, MIME type: image/jpeg)
All drilling operations should start with a center drill; this gives an accurate and clean starting point, and reduces the chance of the drill bit "walking" off center. From "Drilling" by Stan Bray, "World of Model Engineering" No 3, 1989, http://www.model-engineer.co.uk/sites/7/documents/wome-3-pt2.pdf
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 13:29, 17 May 2013 | 611 × 488 (50 KB) | Dnevil (talk | contribs) | All drilling operations should start with a center drill; this gives an accurate and clean starting point, and reduces the chance of the drill bit "walking" off center. From "Drilling" by Stan Bray, "World of Model Engineering" No 3, 1989, http://www.m... |
You cannot overwrite this file.
File usage
The following page uses this file: