Irwin Multi-Material Drill Bit Sets 5 Piece Set Brand_DQB Set includes spiral flute screw

Set includes spiral flute screw

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The locking mechanism locks the blade when opening blade all the way

Excellent salt feeder and ideal ceramic tile soaking

Irwin Multi-Material Drill Bit Sets 5 Piece Set Brand_DQB Set includes spiral flute screwMulti Material Drill Bit Sets Features: IRWIN Multi Material drill bits drill through just about any type of material out there brick, block, tile, metal, wood, plastic and marble theyll even drill through multiple materials at the same time. These versatile bits are designed specifically for rotary drilling, but are tough enough to be used with hammer drills. Carbide tip has a unique diamond ground, four facet design with sharper cutting edges for