kwb Hole Saws & Arbors Hole saw 610417 - KWB 499000, The kwb 499000 hole saw is an 80 mm drill attachment manufactured by kwb, designed for precision cutting in wood and other materials. This high-quality hole saw is suitable for use with standard drills, making it ideal for DIY enthusiasts and professional tradespeople alike. It features durable construction, ensuring long-lasting performance for cutting smooth, clean holes. kwb 499000 Hole Saw 80mm for Wood and panels with Hex shank