Compatible with vibration drills allows for drilling concrete in vibration mode. The one-piece shape from the shank to the tip of the blade, so there is no shaking or cracking at the edge of the blade, allowing for precise holes. The 0.25 inch (6.35 mm) hex shaft shank improves torque transfer efficiency. Package size: Length: 0.4 inches (10 mm) Width: 1.3 inches (32 mm) Height: 5.7 inches (145 mm). Package weight: 0.8 oz (24 g). Uses: Concrete, blocks, brick, mortar. Compatible electric motors: Vibration drill (60000 W or less. *Can be installed on concrete with impact drivers. Dimensions: Tip Diameter: 0.25 inches (6.4 mm), Total Length: 3.9 inches (100 mm), Effective Length: 2.2 inches (55 mm). This product will be shipped by Yu-Packet (Mail-bin). ●The product will be delivered in 2 to 3 business days from the date of delivery. ● Unlike mailing shipping, it is delivered by mailbox. Please be aware that we cannot accept requests for delivery on delivery, wrapping paper, or packaging.
●振動ドリル対応により、振動モードでのコンクリートの穴あけが可能。シャンクから刃先まで一体形状の為、刃先のブレやビビリが無く、的確な穿孔が可能。6.35mm六角軸シャンク採用により、トルク伝達効率が向上