ARTU 7-Piece Multi-Purpose Drill Bit Set

7PC DRILL BIT SET SKU: 395188 ARTU Designed for rotary or percussion drilling. Drills through hardened steel ceramic tile marble plastic cast metal concrete glass plexiglass granite fiberglass brick masonry PVC (polyvinyl chloride) and wood. Negative back grinding enables tip to bore through materials with a filing action. Cobalt and tungsten carbide drill bit tip designed for maximum hardness wear and resistance to heat up to 2000 F (Degree Fahrenheit). Resharpenable. Chrome vanadium steel shank for strength and flexibility. Bit has a flat bottom parabolic flute for faster waste removal. Conforms to ANSI (American National Standards Institute) standards. Set includes 1 each: 1/8 3/16 1/4 5/16 3/8 7/16 1/2 . Item Attributes Pieces In Set: 7 Pcs. Material: Cobalt & Tungsten Size: 1/8 In. thru 5/16 In.