How to drill big holes in almost anything.

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Bibliographic Details
Title:	How to drill big holes in almost anything.
Authors:	Jones, Thomas H.
Source:	Popular Science. Oct82, Vol. 221 Issue 4, p130-140. 6p.
Subjects:	Drilling & boring, Carpentry tools, Drilling & boring machinery, Manufacturing processes, Machine tools, Screws
Abstract:	The article offers tips for drilling big holes in wood, metal, plastic and other materials. It cites several tools for large-bore drilling application including spade bits, auger bits, brad-point drills, and hole saws. It notes that using spade bits is necessary in making a clean-through holes or bottomed holes in a drill press. It indicates that the feed screw of an auger bit is used to accurately locate the hole and helps pull the spurs into the drilling application.
Database:	Engineering Source

Description
Abstract:	The article offers tips for drilling big holes in wood, metal, plastic and other materials. It cites several tools for large-bore drilling application including spade bits, auger bits, brad-point drills, and hole saws. It notes that using spade bits is necessary in making a clean-through holes or bottomed holes in a drill press. It indicates that the feed screw of an auger bit is used to accurately locate the hole and helps pull the spurs into the drilling application.
ISSN:	01617370