Abstract: A drill or machine tool attachment for use with a vacuum debris extraction system, comprising a bar to which a vacuum extraction nozzle is attached, and a tube slidably mounted on the bar and connected to a drill or machine tool. The nozzle is located on the bar ahead of the drill or machine tool, with the tube biased toward an extended position by at least one spring. The limit of the extended position is set by a locking plate. In use, as the apparatus is offered up to a workpiece to perform a drilling or machining operation, the nozzle makes initial contact with the surface of the workpiece and as the operator applies pressure to the assembly, the drill or machine tool and associated bit or tool moves slideably against the action of the spring thereby guiding the bit or tool through an aperture in the nozzle to contact the workpiece.

Abstract: An attachment for use with a vacuum powered debris removal system, said attachment comprising a debris collection bowl, said bowl having a first aperture through which a material cutting tool may be removably inserted, a second aperture through which a vacuum source may be connected, and a third aperture the open circumferential face of which is designed to lie substantially in contact with a material undergoing a cutting operation, such that in use, as debris is generated by the action of the cutting tool on said material, substantially all debris is collected in said bowl and thereby extracted through the second aperture by the action of the vacuum source.