Engine_2014 : General Subjects - 1424/3524
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| When drilling holes larger than 1/2 inch, a smaller pilot hole should be drilled first to __________ . |
| A) ensure the maximum cut by the large drill |
| B) provide a path for the dead center of the drill |
| C) allow the use of a drill with a lesser lip clearance angle |
| D) increase the cutting speed of the drill bit |
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