Abstract: A sawblade includes a plurality of wave-shaped teeth formed on a continuous base section of the sawblade. Each of the teeth has a paired tooth base with a tooth base upper face and a hard metal blade arranged thereon. Each tooth base adjoins the hard metal blade arranged thereon in a flush manner on both sides along a longitudinal axis of the base section, and each hard metal blade and each tooth base upper face has two bevels and/or convexly rounded areas extending substantially along the longitudinal axis of the base section, wherein the teeth are designed to be set and/or unset.

Abstract: The disclosure relates to a saw tool for use with a multifunctional machine tool which can be driven in oscillation. The saw tool has at least one main axis, at least one main body, and at least one cutting arm arranged on the main body transversely to the main axis, the cutting arm having a first cutting region and a second cutting region starting from the main axis in a direction pointing away from the main body and running at least substantially perpendicular to the main axis, said cutting regions arranged one behind the other, and directly adjacent to each other. The second cutting region is arranged on the first cutting region, on a side of the first cutting region furthest from the main body, and has a greater mass than the first cutting region.

Abstract: A mandrel assembly includes a mandrel, adapter, and bit coupler. The mandrel includes a shank part axially disposed in the mandrel, an adapter receiver, and a coupler receiver. An internal hole runs axially through the adapter. The coupler includes first and second axial sections, and an axial bit connection hole with a polygonal section proximate to an inner side, and a cylindrical section proximate to an opening. An outer wall of the adapter fits with an inner wall of the adapter receiver. An outer wall of the first section fits with an inner wall of the coupler receiver. An outer wall of the second coupler fits with the internal hole of the adapter. The mandrel transmits torque, via the adapter receiver and coupler receiver, to the adapter and then to a hole saw coupled to the adapter, and to the coupler and then to a bit coupled to the coupler.

Abstract: A quick release adapter for operating an application tool on a portable power tool includes a drive shaft and a receiving portion. The drive shaft is configured to be arranged in a tool receptacle of the portable power tool. The receiving portion is connected to the drive shaft and is provided with an internal receptacle. The internal receptacle is configured to receive an output shaft. The output shaft has an internal receptacle for receiving an application tool. The internal receptacle of the output shaft is configured at least regionally in a sleeve-like manner and at least regionally has an internal protruding part. The application tool has an at least regionally cylindrical shank with at least one external flat region adapted to the at least one internal protruding part.

Abstract: A mandrel assembly includes a mandrel, adapter, and bit coupler. The mandrel includes a shank part axially disposed in the mandrel, an adapter receiver, and a coupler receiver. An internal hole runs axially through the adapter. The coupler includes first and second axial sections, and an axial bit connection hole with a polygonal section proximate to an inner side, and a cylindrical section proximate to an opening. An outer wall of the adapter fits with an inner wall of the adapter receiver. An outer wall of the first section fits with an inner wall of the coupler receiver. An outer wall of the second coupler fits with the internal hole of the adapter. The mandrel transmits torque, via the adapter receiver and coupler receiver, to the adapter and then to a hole saw coupled to the adapter, and to the coupler and then to a bit coupled to the coupler.