Disc for construction ø165x30mm 18t (ac). extremely sturdy and solid construction sheets for the most demanding requirements. designed for fast cutting of natural woods and composites, as well as for frames ideal for cross-cutting and longitudinal cutting results. diameter: ø165mm. internal diameter: ø30mm. plate thickness: 1.5mm. notch: 2.4mm. tooth number: 18. type of sharpening: alternative upper bevel tooth pitch angle: 20°. performance level: standard