Tools & Materials
Expert Lesson: Drill Bits
A complete overview on choosing the right drill bit and drilling accurate holes
In the first of an occasional series of video lessons, venerable woodworker and teacher Ernie Conover gives the lowdown on drill bits, focusing on high-speed twist drills. He explains the reasoning behind fractional sizes, and bits labeled with letters or numbers. He also gives a useful tip for drilling accurately sized holes.
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