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This hole saw drill bit features advanced production technology with powder platinum and vacuum sintering, which significantly increases its lifespan. You can place it at a 45-degree angle and drill in a vertical position. Please note that the drilling speed should not be too fast; work slowly at approximately 800-1000 rpm for optimal results.

This hole opener is compatible with pillar drills, hand drills, and drilling machines, but it is not suitable for impact drills, meaning it cannot be used with the impact function. Additionally, these drill bits are suitable for all types of stone, ceramics, vitrified bricks, glass, and similar materials. During drilling, continuously add water to cool down the drill bit and prevent overheating.

The drill bit's segmented open hole design provides low cutting resistance and is beneficial for chip evacuation. The universal triangular drill shank effectively prevents slipping during drilling and can withstand greater torque. All designs have chip evacuation holes, and the elongated design is more favorable for efficient chip evacuation.

Item Type: Hole Saw Drill Bit

Size Options:

- 65 mm / 2.56 inch hole opener size: Product total length approx. 80 mm / 3.15 inches, handle length approx. 25 mm / 1 inch, handle diameter approx. 9.4 mm / 0.4 inches, working depth approx. 54 mm / 2.13 inches

- 70 mm / 2.76 inch hole opener size: Product total length approx. 80 mm / 3.15 inches, handle length approx. 25 mm / 1 inch, handle diameter approx. 9.4 mm / 0.4 inches, working depth approx. 54 mm / 2.13 inches

- 75 mm / 2.95 inch hole opener size: Product total length approx. 80 mm / 3.15 inches, handle length approx. 25 mm / 1 inch, handle diameter approx. 9.4 mm / 0.4 inches, working depth approx. 54 mm / 2.13 inches

Package includes: 1 x Hole Saw Drill Bit

Satisfaction: Our customers are our top priority. If you encounter any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory after-sales service.