Simpson MDMX11221Q 1-1/8 in. x 21 in. SDS-max Shank Quad-Head Drill Bit Diameter:1 1/8 In. providing two sharp cutting edges

providing two sharp cutting edges that ensure a long-lasting tool life

these router bits are designed for longevity and durability

Premium Quality: Made from durable galvanized steel

11 Solid Surface Drainboard Bit

Superior Strength: Built to support 8x16 beams

Simpson MDMX11221Q 1-1/8 in. x 21 in. SDS-max Shank Quad-Head Drill Bit Diameter:1 1/8 In. providing two sharp cutting edgesUnleash the Power of Precision with the Simpson MDMX11221Q Drill Bit Experience unparalleled performance and efficiency with the Simpson MDMX11221Q 1 1 8 in. x 21 in. SDS max Shank Quad Head Drill Bit. Engineered for professionals and DIY enthusiasts alike, this premium quality drill bit is designed to tackle the toughest drilling and demolition tasks with ease. Key Features: Chisel Shaped Drill Head: The innovative design penetrates materials