Tip #89
How to Drill Pilot Holes In Softwood
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Description:
A “pilot hole” or “lead hole” for a wood screw is a straight hole having a diameter equal to that of the root of the screw, and depth equal to half the length of threaded portion.

The pilot hole is drilled at the angle required for the driven screw.

Fig. 1 Click image for larger view.

Use:
A “pilot hole” is drilled so that the screw can be driven with ease at the angle required. In addition, there is less probability of damage to the stock and to the screw head.

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