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sheet-metal screw[′shēt ¦med·əl ‚skrü]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
sheet-metal screw, tapping screw
A coarse-threaded, tapered screw with a slotted head for driving with a screwdriver; used for fastening sheet metal and other materials, without a tapped hole and without a nut.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.