Deli 4-Blade Serrated Eccentric Drill Bit for Tile Drilling High Hardness Dry Wear-Resistant [6mm]

True dry drilling without blade breakage; upgraded 2nd generation non-fracture blade technology.

Four-blade serrated design with staggered teeth for faster, layered chip removal and efficient drilling.

Cross independent blades reduce vibration during heavy drilling, enhancing blade durability and stability.

Sharp drill tip for precise positioning, high concentricity, and fast drilling; integrated one-piece design for reliability.

Head equipped with four large chip removal grooves combining chip evacuation and heat dissipation for dry drilling without overheating.

Hardened alloy drill head forged for high hardness and wear resistance, extending tool life.

Compatible with lithium battery drills, electric drills, and bench drills.