Blu-Mol Concrete Drill Bit 4mm – 2-Piece Set

The Blu-Mol eXTREME 4mm concrete drill bit set contains two hardened bits designed for rotary and percussion drilling in concrete, brick, and block masonry. These industrial-grade bits feature precision carbide tips for clean, accurate holes without chipping or binding. Ideal for electricians, builders, and contractors installing conduit, anchors, and fixings in masonry structures.