RIB WEDGE BIT 1/4X4.25 Wedge drill bits have a tip that ensures the precise drilling of pilot holes, making them ideal in masonry applications. The carbide material allows these bits to absorb heat more efficiently, thereby enabling them to run at higher speeds. You'll find our carbide-tipped drill bits easy to use and highly effective in shallow holes.; ; Brand Name: Hillman Diameter: 1/4 in. Length: 4.25 in. Material: Steel Head Style: Ribbed Head Product Type: Wedge Bits Number in Package: 1 pk Packaging Type: Boxed Features Heavy DUTY STRAIGHT SHANK Award winning performance Chrome-nickel-molybdenum steel, same as used in rotary hammer bits. Industrial finish. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.