Catalog number: KG-3.5 Features: ●The pilot hole drill can be attached and detached with one touch while the double-headed driver bit is attached to the electric screwdriver. ●It is very convenient and economical because it comes with a replacement drill and a hexagonal wrench required for drill replacement. Uses: ●For drilling pilot holes in blocks, mortar, bricks, and plasterboard. Specifications: ●Blade diameter (mm): 3.5 ●Effective length (mm): 5 ●Total length (mm): 115 ●Shank diameter (mm): 6.35 Set contents/accessories: ●1 replacement drill, 1 hexagonal wrench for adjustment and replacement Notes: ●The shaft diameter of the drill for 3.4mm and 3.5mm is 3mm, and the shaft diameter of the drill for 4.3mm is 4mm. ●Please select a drill of the appropriate size. ●If the drill becomes dull or spins freely, tighten the hexagonal screw again. ●If the drill still does not cut well, replace the drill.
