Fang Da Wang Offset Eccentric Drill Bit Special Cutter Head No Water Needed Sharp Impact Resistant [12mm]

Special grinding stone available for heavy sharpening at 800 rpm to full speed.

1. Not recommended for use with lithium batteries below 18V due to insufficient power.

2. Cooling with water is necessary when drilling marble, glazed tiles, or stainless steel to prevent drill bit damage.

3. Avoid drilling on steel reinforcement bars in walls to prevent blade chipping; change drilling position if encountered.

Tested to withstand drilling over 300 holes continuously.

Designed with mechanical principles for sharpness and wear resistance.

Suitable for home improvement and professional use on a wide range of materials including ceramic tiles, marble, brick, concrete, wood, and metal.

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