Feature

●Size: Total length: 3.5 inches (90 mm) (effective length/2.2 inches (55 mm)), blade tip diameter: 0.37 inches (9.5 mm), shaft diameter: 0.25 inches (6.35 mm).
●Uses: For drilling holes in concrete (cannot be used in rebar portions), mortar, blocks, extruded cement boards, bricks, and tile anchors.
●Compatible models: Cordless impact driver, electric drill, vibration drill (rotation mode), etc.
●Shaft Type: Hex Shaft (6.35)


Description

ひび割れ補修や目地加工に