[Dimensions: cutting edge diameter 10.5mm x total length 90mm x effective length 55mm]

Product description

For drilling under anchors of concrete, mortar, blocks, extruded cement boards, bricks, and tiles. The welding method provides excellent diamond retention and a long life. Dedicated to rotating tools for quiet work. It can be used with an impact driver, so it is easy to operate. Since it is dry type, it does not require water treatment, so it can be used for clean work. Low impact so you can easily drill holes in the kiwa holes. Product Weight: 0.5 oz (15 g); Package Size: Length: 1.2 inches (30 mm), Width: 2.8 inches (70 mm), Height: 7.9 inches (200 mm); Package Weight: 0.7 oz (20 g); Country of Origin: Japan; Material: SCM435; Dimensions: Blade Tip Diameter: 0.2 inches (6.0 mm) x Total Length: 3 inches (80 inches (80 inches (45 mm) x Effective Length: 1.80 inches (45 mm)

Amazon.com Review

●コンクリート、モルタル、ブロック、押出成型セメント板、レンガ、瓦のアンカー下穴あけに
●溶着製法によりダイヤ保持力に優れ、長寿命
●回転工具専用で、静かな作業
●インパクトドライバ等で作業可能なので、手軽に作業が可能