Installer Drill Bit- 1/2" x 18"- .370" Shank

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Irwin Model 39108 Installer Drill Bit, 1/2" x 18", .370" Shank PRODUCT OVERVIEW: Regular head; for installing all types of small wire in homes, offices, garages, etc. Hole in flute (head) makes it easy to pull wires through hole in wall. Boring action is faster, smoother, cleaner in plaster, metal lath - most every material encountered in wiring installations. Finishing process assures quick removal. No clogging, no binding. Longer flute section for deeper boring. Shank types for hand brace and electric drill. Made of premium quality 100 carbon bearing steel. INSTALLER - ELECTRIC DRILL SHANK

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