Deli 6mm 3-Pack Four-Blade Serrated Eccentric Drill Bits for Tile Drilling High Hardness Dry Wear-Resistant

Wide chip removal grooves and alternating cutting edges create a special cutting trajectory to enhance debris removal at high speeds.

Double R-slot hexagonal shank ensures tight fit and no wobble during impact operations.

Suitable for drilling a wide range of materials including ceramic tiles, full porcelain tiles, marble, granite, quartz stone, concrete, brick walls, wood, plastic, and glass.

Also suitable for wet drilling on steel plates, iron plates, aluminum alloy, and copper.

| Diameter | Total Length | Working Length | Material |

|----------|--------------|----------------|-------------------|

| 6mm | 96mm | 62mm | Hard alloy steel |

| 8mm | 110mm | 72mm | Hard alloy steel |

| 10mm | 120mm | 82mm | Hard alloy steel |

| 12mm | 123mm | 85mm | Hard alloy steel |

3rd generation four-blade serrated drill bit can drill up to 420 holes in 8 seconds (8mm size).

Staggered tooth design improves cutting efficiency.

High stability and resistance to blade breakage.

Suitable for heavy-duty and dry drilling applications without water.

Ideal for home improvement and professional construction tasks.

Choose appropriate size based on drilling requirements.