Simpson SDS-Plus Quad Head Carbide Drill Bit 1-1/4 in. x 18 in. MDPL12518Q Deflection Connectors Counterboring Wings: Wings on the

Counterboring Wings: Wings on the shaft counterbore hard material and allow the head to countersink for a clean look

The gimlet point on the UltraCon+ is specifically designed to allow self-drilling directly into wood base materials without the need for pre-drilling

56/9 is designed to accommodate joist skew angles ranging from 40 deg

Backed by the industry-leading JET Two Year full service and parts Warranty

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Simpson SDS-Plus Quad Head Carbide Drill Bit 1-1/4 in. x 18 in. MDPL12518Q Deflection Connectors Counterboring Wings: Wings on theThe Simpson MDPL12518Q 1 1 4 in. x 18 in. SDS plus Quad Head Shank Drill Bit is a premium, professional grade carbide tipped drill bit engineered by Simpson Strong Tie to the highest industry standards. Designed for demanding drilling applications in reinforced concrete and masonry, this bit features a proprietary 4 x 90 deg. Quad Head geometry that crushes through rebar and prevents sticking, delivering exceptional drilling speed and extended service